Medical Forum / Diseases and Disorders / Prostate Cancer / February 2007
42 year old guy with sudden jump in PSA
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wdshelly@woh.rr.com - 03 Feb 2007 22:21 GMT Hello, everyone:
My name is Wayne, and I am concerned about my recent psa and % free psa readings.
I am 42 years old and have had PSA tests for the past 7 years that were always pretty low. I was at 0.7 at about 35 years old and ended at 0.9 at 40 years old, but then at 42 I was very surprised to get a 6.0. I did a whole bunch of research then had a retest which came in at 5.8, and this time I also got a free PSA % which was 7.6%. As you know, these are not good numbers. I then had a 12 core biopsy and it was negative for cancer but showed minor signs of BPH but none of prostatitis.
10/18/1999 psa 0.7, DRE normal but perhaps prostate slightly enlarged 3/8/2001 psa 0.7, DRE normal but perhaps prostate slightly enlarged 2/28/2003 psa 0.8, DRE normal but perhaps prostate slightly enlarged 5/16/2005 psa 0.9, DRE normal but perhaps prostate slightly enlarged 1/11/2007 psa 6.0, DRE normal but perhaps prostate slightly enlarged 1/20/2007 retest showed psa 5.8 and free psa 7.6%, DRE normal but perhaps prostate slightly enlarged, urine test showed no protein (I think protein may point to prostatitis) 1/25/2007 12-core transrectal biopsy guided by ultrasound. Showed minor signs of BPH but negative for cancer. Ultrasound showed prostate size to be about 30 ccs.
I worry that the biopsy may have missed the cancer since my psa and free psa numbers are so bad.
>From reviewing this group I found that a fellow who goes by "Jerry G" was in a similar situation. I am hoping he and/or others can give me some insight.
At the moment my plan is to do another psa and free psa in about 12 weeks, but unless the numbers get better I feel certain that I will have another biopsy, but I'm inclined to do a really thorough one like a 24-core "saturation" biopsy and perhaps one that can reach the anterior zone in case a cancer is hiding there.
Here are a few questions:
-Assuming my psa and free psa numbers remain as bad as they are now, is it likely that I have PC and it was just missed?
-Given that the biopsy showed only minimal signs of BPH and none of prostatitis (although I know there are many types of prostatitis), what else could keep the psa high and the % free psa low?
-My urologist told me that when psa jumps up as fast as mine did but was not part of a steady trend upward, about 35% of the time the psa goes back down to its previous level within 3 months. Does anyone have any experience with or knowledge of where he got this value?
Thanks very much in advance for your help.
fred - 03 Feb 2007 23:48 GMT Wayne....maybe you'd want to look into a color doppler test. Take a look at the thread started on Feb 1st titled "diagnosis" for a discussion of this. Otherwise, I would do an early PSA follow up, and then re-assess.
I'm not a doctor and my advice is worth every penny you are paying me for it (or less).
Fred
wdshelly@woh.rr.com - 04 Feb 2007 16:19 GMT > Wayne....maybe you'd want to look into a color doppler test. Take a > look at the thread started on Feb 1st titled "diagnosis" for a [quoted text clipped - 5 lines] > > Fred Thanks, Fred. I intend to do a color doppler or some other very thorough biopsy method if my psa doesn't come down. Do you know of any method that can get a thorough sampling of the anterior portion of the prostate?
Steve Jordan - 03 Feb 2007 23:50 GMT On February 3, Wayne wrote:
> My name is Wayne, and I am concerned about my recent psa and % free > psa readings. [quoted text clipped - 7 lines] > was negative for cancer but showed minor signs of BPH but none of > prostatitis. (snip)
I wonder whether Wayne has a first-degree male relative such as a father or brother with prostate cancer (PCa), which would be a reason -- though not the only one -- to track PSA.
I hope that a course of an antibiotic such as Cipro was undertaken before the followup PSA test in order to take care of any infection that could increase PSA.
Was PIN (prostatic intraepithelial neoplasia) detected? If so, that should be reported by the pathologist. It could be a precursor of PCa. Get a copy of the path report. Moreover, get a copy of everything.
The expected "normal" PSA expressed by a 30cc gland is 2.04 ng/mL. The formula is: 30 x 0.068 = 2.04. This leaves 3.04 ng/mL that must be explained.
The biopsy is the "gold standard" test for PCa. But as I know from study and from personal experience, it can miss small tumors. Nothing is perfect.
There is another test, offered by Bostwick Laboratories, a well-respected pathology laboratory specializing in PCa. It is the PCA3Plus genetic urine test. It is new and is *not yet* accepted by the FDA. It detects PCA3, a gene that is expressed only by PCa cells. More information at: http://www.bostwicklaboratories.com/default.htm
I understand that it involves "massage" of the prostate gland before collection of the urine sample.
There are other staging tests that can provide useful information. I recommend study of this section of the authoritative website of the Prostate Cancer Research Institute, especially the subsection "Undiagnosed": http://prostate-cancer.org/education/education.html
If all else fails, I can think of nothing else to do but to undergo another biopsy.
And if PCa is reported, the specimens should be studied and validated by a specialist PCa pathology lab such as but no restricted to Bostwick. No, I'm not an employee. I can furnish a list of such labs if requested.
> -My urologist told me that when psa jumps up as fast as mine did but > was not part of a steady trend upward, about 35% of the time the psa > goes back down to its previous level within 3 months. Does anyone have > any experience with or knowledge of where he got this value? No.
But uros are on the whole not educated in treatment of PCa beyond resort to surgical options. Consultation with a cancer specialist, an oncologist who is trained in PCa treatment, might be warranted if PCa is discovered.
Regards,
Steve J
"If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle." -- Sun Tzu, "The Art of War"
wdshelly@woh.rr.com - 04 Feb 2007 16:29 GMT > I wonder whether Wayne has a first-degree male relative such as a father > or brother with prostate cancer (PCa), which would be a reason -- though > not the only one -- to track PSA. No, Steve, I have no history of pc in my family.
> I hope that a course of an antibiotic such as Cipro was undertaken > before the followup PSA test in order to take care of any infection that > could increase PSA. No, my urologist did a quick urine test looking for protein and because none was found and my prostate didn't feel like it was infected on the DRE, he did not want to prescribe antibiotics.
> Was PIN (prostatic intraepithelial neoplasia) detected? If so, that > should be reported by the pathologist. It could be a precursor of PCa. > Get a copy of the path report. Moreover, get a copy of everything. PIN was not found.
> The expected "normal" PSA expressed by a 30cc gland is 2.04 ng/mL. The > formula is: 30 x 0.068 = 2.04. This leaves 3.04 ng/mL that must be > explained. I agree. I don't know where the extra is coming from.
> There is another test, offered by Bostwick Laboratories, a > well-respected pathology laboratory specializing in PCa. It is the > PCA3Plus genetic urine test. It is new and is *not yet* accepted by the > FDA. It detects PCA3, a gene that is expressed only by PCa cells. More > information at:http://www.bostwicklaboratories.com/default.htm There is also another test coming in about 18 months from Johns Hopkins that looks very promising - it has a much higher specificity and selectivity than PSA.
> But uros are on the whole not educated in treatment of PCa beyond resort > to surgical options. Consultation with a cancer specialist, an > oncologist who is trained in PCa treatment, might be warranted if PCa is discovered. Interesting thought. Thanks for that and for everything else.
Steve Kramer - 04 Feb 2007 00:44 GMT > -Assuming my psa and free psa numbers remain as bad as they are now, > is it likely that I have PC and it was just missed? Before your biopsy, I would have said that it was likely. However, it is not very often that the cancer is missed in a biopsy. That said, there are people who found cancer in their second or third biopsies. Keep in mind that PSA, fPSA, biopsy and DRE are individually portions of criteria to determine if a biopsy is warranted. I think you are wise to keep on top of it, but you may very well be cancer-free.
 Signature PSA 16 10/17/2000 @ 46 Biopsy 11/01/2000 G7 (3+4), T2c RRP 12/15/2000 G7 (3+4), T3cN0M0 Neg margins PSA .1 .1 .1 .27 .37 .75 EBRT 05-07/2002 @ 47 PSA .34 .22 .15 .21 .32 Lupron 07/03 (1 mo) 8/03 (4 mo), 12/03, 4/04, 09/04, 01/05, 5/05, 10/05, 2/06, 6/06 PSA .07 .05 .06 .09 .08 .132 .145 Casodex added daily 07/06 PSA <0.04 Non Illegitimi Carborundum
wdshelly@woh.rr.com - 04 Feb 2007 16:34 GMT > Before your biopsy, I would have said that it was likely. However, it is > not very often that the cancer is missed in a biopsy. That said, there are people who found cancer in their second or third biopsies. Keep in mind that PSA, fPSA, biopsy and DRE are individually portions of criteria to determine if a biopsy is warranted. I think you are wise to keep on top of it, but you may very well be cancer-free. I surely hope you are right, my friend. I've seen a study by Catalona that shows that 22% of prostate cancers are missed on the first biopsy, and it takes 4 biopsies to get a full 99% of the cancers. It is probably important to note that in this study the biopsies were taken months or years apart, so just doing 4 of them in rapid succession probably wouldn't give you the same results.
Thank you much for your help. Do you believe that persistently high psa and low free psa readings over a period of years means that pc is there but just not biopsy-detectable?
James - 04 Feb 2007 16:44 GMT > I surely hope you are right, my friend. I've seen a study by Catalona > that shows that 22% of prostate cancers are missed on the first [quoted text clipped - 6 lines] > psa and low free psa readings over a period of years means that pc is > there but just not biopsy-detectable? It is very easy to miss very small amounts of low-grade cancerous cells in the prostate during a biopsy. The good news is that if it is missed in biopsy, then it probably is not life threatening, even if you have some cancer cells in your prostate. However, if your PSA continues to rise, then more biopsies are recommended.
wdshelly@woh.rr.com - 04 Feb 2007 16:59 GMT > It is very easy to miss very small amounts of low-grade cancerous cells in > the prostate during a biopsy. The good news is that if it is missed in > biopsy, then it probably is not life threatening, even if you have some > cancer cells in your prostate. However, if your PSA continues to rise, then > more biopsies are recommended. Thanks, James. Are you saying there are studies that suggest that it is harder to miss higher-grade cancer cells on biopsy even if the cancer is early in its life cycle?
Ron B - 04 Feb 2007 17:59 GMT Hi Wayne.
Best wishes to you.
I've had a RRP by Dr. Catalona in 3/2005 and I'm doing well so far.
I was 56...PSA 7 and negative margins after lab results.
My Gleason turned out to be 3+3.
These folk have given you great advice, as usual.
My question...with no family history...why did you happen to check your PSA at such a young age?
Best wishes,
Ron B.
Chicago
wdshelly@woh.rr.com - 04 Feb 2007 19:14 GMT >why did you happen to check your PSA at such a young age? I was just being cautious. I had an annual blood test for cholesterol anyway, so it didn't hurt to get a baseline on the psa.
>From your stats, I expect you have a great prognosis. The latest SEER data supports this. Good luck.
James - 05 Feb 2007 01:19 GMT > Thanks, James. Are you saying there are studies that suggest that it > is harder to miss higher-grade cancer cells on biopsy even if the > cancer is early in its life cycle? By definition, high grade cancer cells spread more rapidly, so it is more likely they will be found in a biopsy.
Steve Kramer - 05 Feb 2007 20:07 GMT > I surely hope you are right, my friend. I've seen a study by Catalona > that shows that 22% of prostate cancers are missed on the first > biopsy, and it takes 4 biopsies to get a full 99% of the cancers. I guess that means that you had a 78% chance of detecting it if you had cancer. But, obviously, that 22% comes from somewhere. And that is assuming that the 22% is correct. I would bet (and I have nothing to support it) that today's biopsies, especially those with 20+ needles, are a little bit better than 78% if cancer is present. And a second biopsy would be awfully high.
But, as mentioned here, there are places where cancer can grow and needle biopsies do not ordinarily access. On those, you just have to wait for the cancer to get big enough. And, unfortunately, DREs will often be negative as well when those areas are affected.
> Thank you much for your help. Do you believe that persistently high > psa and low free psa readings over a period of years means that pc is > there but just not biopsy-detectable? I am not an expert on fPSA (if anything at all). Persistently high (as opposed to accellerating) would often indicate benign prostate problems. Low fPSA seems to often indicated cancer. A merely enlarged prostate would seem to be benign and so would a negative DRE.
It really is a craps sthoot.
 Signature PSA 16 10/17/2000 @ 46 Biopsy 11/01/2000 G7 (3+4), T2c RRP 12/15/2000 G7 (3+4), T3cN0M0 Neg margins PSA .1 .1 .1 .27 .37 .75 EBRT 05-07/2002 @ 47 PSA .34 .22 .15 .21 .32 Lupron 07/03 (1 mo) 8/03 (4 mo), 12/03, 4/04, 09/04, 01/05, 5/05, 10/05, 2/06, 6/06 PSA .07 .05 .06 .09 .08 .132 .145 Casodex added daily 07/06 PSA <0.04 Non Illegitimi Carborundum
CW89134 - 04 Feb 2007 00:56 GMT Wayne:
My husband is in a similar situation to yours except that he is 64 and his numbers are somewhat lower than yours.
Here are his numbers:
11/2005 -- psa =1.8 (previous psa's right around this number) 6/2006 -- psa = 2.77 (taken at a different lab) 6/2006 -- psa =2.6 (taken at original lab) 8/2006 -- 18 core ultrasound guided biopsy -- negative -- no detection of HGPIN, atypia
1/17/2007 -- psa = 3.5
Local urologist wanted to do another biopsy immediately.
We took his opinion into consideration but decided to go with a color doppler ultrasound with possible biopsy (if anything is seen on the color doppler ultrasound). The equipment is not widespread. In fact, the urologist's first comment when we asked about it, was "I don't have that equipment".
Husband has an appointment with Dr. Duke Bahn in Ventura CA. He is one of the known experts for this test. According to his staff, he only biopsies if he sees something that he feels needs biopsying on the color doppler ultrasound. Here is his website:
http://pioa.org/
Good luck.
CW89134
wdshelly@woh.rr.com - 04 Feb 2007 16:41 GMT > Wayne: > [quoted text clipped - 29 lines] > > CW89134 Thanks for your thoughts. I wish your hubby the best. You are doing the right thing by following up on this, and no matter what happens with the ultrasound and possible biopsy, I would definitely watch the PSA numbers every 3 to 6 months and also would consider getting a free psa done (they do this from the same blood sample, so nothing extra is required on your part except to ask for it). Neither PSA or % free PSA are infallible, but at least you'd have a bit more information.
CW89134 - 04 Feb 2007 17:32 GMT On Feb 4, 8:41 am, wdshe...@woh.rr.com wrote:
> > Wayne: > [quoted text clipped - 39 lines] > > - Show quoted text - I neglected to mention that he had a % free PSA test done. Last June it was 11.54% and several weeks ago it was 11.4%, essentially the same. We would have been happier if it was higher.
kh - 04 Feb 2007 02:20 GMT On Feb 3, 5:21 pm, wdshe...@woh.rr.com wrote:
> -Assuming my psa and free psa numbers remain as bad as they are now, > is it likely that I have PC and it was just missed? No one really knows.
Both a business partner and myself were diagnosed after several (3 for him, 2 for me) biopsies. In my case, the docs said,
"yours was in the anterior (front) of the prostate, this is an unusual location so it wasn't picked up right away."
and
"The majority of tumors are toward the posterior (back) of the prostate."
Well, maybe.
The cynic in me says that needle biopsies, because they enter from the posterior find tumors that happen to start there. The bias for that location is because of the test protocol and not anything about the cancer.
If so, and if there is a 50-50 distribution front to back, the the front 50% is diagnosed late.
Here's another thing to think about. Once the docs found the cancer in the biopsy, they were very certain of the location and size of the tumor from an MRI (with coil).
Rather than go for an 18 or 24 needle biopsy, perhaps the next step is an MRI or color doppler ultrascan?
-kh
wdshelly@woh.rr.com - 04 Feb 2007 16:51 GMT > Both a business partner and myself were diagnosed after several (3 for > him, 2 for me) biopsies. In my case, the docs said, > > "yours was in the anterior (front) of the prostate, this is an unusual > location so it wasn't picked up right away." Thanks very much for your input. As I mentioned in another post above, I've seen a study by Catalona that shows that 22% of prostate cancers are missed on the first biopsy, and it takes 4 biopsies to get a full 99% of the cancers. I agree that the only reason the anterior is not sampled is because it is difficult to get to.
If you don't mind me asking, what was the Gleason for you two fellows? Is there any tendency for pc found in the anterior to be more or less aggressive?
Maui Mike - 04 Feb 2007 18:14 GMT >Thanks very much for your input. As I mentioned in another post above, >I've seen a study by Catalona that shows that 22% of prostate cancers >are missed on the first biopsy, and it takes 4 biopsies to get a full >99% of the cancers. I agree that the only reason the anterior is not >sampled is because it is difficult to get to. It took five years and a total of 4 biopsies before I finally received confirmation of PCa. My first three biopsies were 10 cores each. The final confirming biopsy took 30. I often wonder if the cancer had always been there but was missed by the small number of cores taken.
Here's wishing you good luck, and good health.
Mike
8/01 4.3 10/01 4.7 3/02 5.1 8/02 6.0 Free PSA 15% PIN 3/03 9.1 9/03 8.1 3/04 6.3 9/04 5.8 11/05 6.0 5/06 6.6 11/06 13.8
Diagnosed with PCa Nov 2006 at age 55 PSA 13.8 Gleason 3+3=6 T1c Asymptomatic No Incontinence or ED da Vinci RLRP planned for Feb 20, 2007 Diagnosed with cardiac ischemia Jan 2007 RLRP postponed pending cardiac eval Feb 7
wdshelly@woh.rr.com - 04 Feb 2007 19:22 GMT > It took five years and a total of 4 biopsies before I finally received > confirmation of PCa. My first three biopsies were 10 cores each. The > final confirming biopsy took 30. I often wonder if the cancer had > always been there but was missed by the small number of cores taken. I agree, but thank goodness they finally found it and it was only Gleason 6 and T1C.
> Diagnosed with cardiac ischemia Jan 2007 > RLRP postponed pending cardiac eval Feb 7 I wish you the best with your cardiac situation so you can get on with th RLRP. Why did you choose laproscopic over RRP? Does the Dr. think the results will be just as good?
Maui Mike - 04 Feb 2007 20:02 GMT >Why did you choose laproscopic over RRP? Does the Dr. think >the results will be just as good? Since laproscopic is much less invasive, I am hoping the recovery will be much easier. Banking of blood is not necessary since blood loss is minimal, and I have been assured that the long term outcome will be equal to that of RRP. Most importantly, it's what I am most comfortable with.
Mike
wdshelly@woh.rr.com - 04 Feb 2007 22:12 GMT > Since laproscopic is much less invasive, I am hoping the recovery will > be much easier. Banking of blood is not necessary since blood loss is > minimal, and I have been assured that the long term outcome will be > equal to that of RRP. Most importantly, it's what I am most > comfortable with. Thanks for the answer, Mike. I wish you the best!
I.P. Freely - 04 Feb 2007 22:41 GMT >> Since laproscopic is much less invasive . . . >> Banking of blood is not necessary Nor is it advised with RRP today. Transfusion risks are primarily administrative, not medical. i.e., the odds of some doofus simply picking up the wrong bag'o'blood far exceed the odds of receiving "tainted" blood these days, and autologous blood donation doesn't alleviate the admin risk.
>> since blood loss is minimal I don't want a surgeon who can't control blood loss near my crotch. Modern RRP techniques render that problem almost moot, and the blood donation impairs healing.
>> I have been assured that the long term outcome will be >> equal to that of RRP. We get all _kinds_ of assurances; do real data support that?
>> Most importantly, it's what I am most comfortable with. NOOWWWW yer talkin', presuming the data are comparable to RRP.
> Thanks for the answer. Just realize, if it comes to that point, that that's just part of the picture.
Don't misunderstand; LRP may prove to be as good as or better than RRP. I haven't followed LRP closely, but there are other factors to be considered in the comparison. Like every other PC tx, there are many tradeoffs.
I.P.
James - 05 Feb 2007 01:23 GMT > It took five years and a total of 4 biopsies before I finally received > confirmation of PCa. My first three biopsies were 10 cores each. The > final confirming biopsy took 30. I often wonder if the cancer had > always been there but was missed by the small number of cores taken. Yes, that is probably what happened. But so what? If the cancer is that isolated then the risk of it rapidly spreading outside the prostate is very low, unless there is large increase in PSA level.
Maui Mike - 05 Feb 2007 17:38 GMT >Yes, that is probably what happened. But so what? If the cancer is that >isolated then the risk of it rapidly spreading outside the prostate is very >low, unless there is large increase in PSA level. So what? I'm not stating anything profound, I'm just stating my feelings about the study by Catalona that shows 22% of prostate cancers are missed on the first biopsy, and it takes 4 biopsies to get a full 99% of the cancers. I for one would like the cancer inside me treated sooner rather than later, regardless of the risk.
kh - 04 Feb 2007 19:28 GMT On Feb 4, 11:51 am, wdshe...@woh.rr.com wrote:
> If you don't mind me asking, what was the Gleason for you two fellows? > Is there any tendency for pc found in the anterior to be more or less > aggressive? Both 7 (4+3) but I was PSA 10 and his was over 30. He went surgery and I elected radiation.
The other problem, I might be mistaken about it, is that the Uro told me that biopsy samples fan out from the back. So even it they take a lot of samples, they effectively take more tissue from the back than the front.
The MRI and color doppler ultrasound, if they truly can spot the tumor, seems like a way to take a biopsy with fewer samples.
I don't know the answer to your question on aggressiveness but my doc said told me that he considers any 4 to be aggressive and that he advised the full-court-press.
That's why they gave me 8 months of Lupron, then 25 IMRT sessions, followed by 97 Pd-103 seeds. The scorched earth treatment.
-kh
glassman - 04 Feb 2007 07:26 GMT > Hello, everyone: > [quoted text clipped - 14 lines] > I worry that the biopsy may have missed the cancer since my psa and > free psa numbers are so bad. I have a friend that had high PSA numbers and a family history. He had regular biopsies for many years because his Uro was sure it was just a matter of time. Well it took 10 years of those numbers to finally make him a member of our club. Thing is it's very slow growing, ang he's 20 years older than you are. Just keep going for your tests, and try not to worry about it.
 Signature JK Sinrod www.SinrodStudios.com www.MyConeyIslandMemories.com
wdshelly@woh.rr.com - 04 Feb 2007 16:55 GMT > I have a friend that had high PSA numbers and a family history. He had > regular biopsies for many years because his Uro was sure it was just a > matter of time. Well it took 10 years of those numbers to finally make him > a member of our club. Thing is it's very slow growing, ang he's 20 years > older than you are. Just keep going for your tests, and try not to worry > about it. Thank you - it is hard not to worry about it, but I'm trying. Did your friend catch it early and at a low Gleason score and before it got out of the prostate?
Just - 04 Feb 2007 18:44 GMT >Hello, everyone: > >My name is Wayne, and I am concerned about my recent psa and % free >psa readings.
>Here are a few questions: > [quoted text clipped - 9 lines] >goes back down to its previous level within 3 months. Does anyone have >any experience with or knowledge of where he got this value? Hi Wayne,
It took me 6 biopsies in 4 years to finally get a positive result. The positive result was only obtained with a double sextant biopsy (2x 6 cores at 2 different depths). PSA went from 9.2 to 14.4 in that period. And I had RP 8 years ago. I would repeat previous advice: - Just keep going for your tests, and try not to worry about it. - Make sure that you have a course of an antibiotic such as Cipro prior to next biposy.
Good luck.
Just
wdshelly@woh.rr.com - 04 Feb 2007 19:29 GMT > It took me 6 biopsies in 4 years to finally get a positive result. The > positive result was only obtained with a double sextant biopsy (2x 6 > cores at 2 different depths). PSA went from 9.2 to 14.4 in that > period. And I had RP 8 years ago. Thanks for your help. What was your Gleason and stage after RP? Did the positive biopsy find pc in the anterior portion of the prostate? It is amazing how often men need multiple biopsies.
Just - 04 Feb 2007 22:21 GMT >> It took me 6 biopsies in 4 years to finally get a positive result. The >> positive result was only obtained with a double sextant biopsy (2x 6 [quoted text clipped - 4 lines] >the positive biopsy find pc in the anterior portion of the prostate? >It is amazing how often men need multiple biopsies. Double sextant biopsy in March 1999: 1 core with PIN2, 1 core positive (1 mm), Gleason 6 (3+3).
RRP in March 1999 pTMN: pT2b NO Mx AUA: B2 Gleason: 7 (3+4) Location: PZ
Regarding the location of the positive biopsy, if my memory serves me well it was in the transition zone (close to the urethra).
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