To abuse@google.com:

This spammer has posted at least two messages in
alt.support.cancer.prostate.  See:
  http://groups.google.com/group/alt.support.cancer.prostate/browse_frm/thread/fab
846d2dfc8b98e/1dc328f141a5e7c0?hl=en#1dc328f141a5e7c0

They link to a website which is nothing but a collection of
redirections to googlesyndication.com.

The Usenet community would appreciate it if you would drive
a stake through this spamming vampire's heart by removing
him from your Google ad program.

Thank you very much.