Here's a cancer t-shirt web site that's even better. I came across it after David E. was kind enough to leave his comment about his CCKMA t-shirt -- that's "Cancer Can Kiss My ..." well, you know. This is a family-friendly blog. (But thanks, Dave! I know you will wear the shirt proudly!)
Here's the site:
My favorites are "Cures rule, cancers drool" and "My oncologist is better than your oncologist".