Colorectal cancer alternative:

Colon, or colorectal, cancer is cancer
that starts in the large intestine (colon)
or the rectum (end of the colon).

Aspirin taken regularly after -- but not
before -- the diagnosis of colorectal  
cancer appears to reduce the
likelihood of recurrence and the risk of
death from colon cancer, at least for
those patients whose cancer
overexpressed cyclooxygenase 2