MARK POCHAPIN, MD: Oh, yeah. There's definitely a team approach here. Initially, the patient is sort of thrown into this colon cancer diagnosis, usually after they have a procedure like a colonoscopy, where either a growth or a mass is found. And then a CAT scan or some other imaging study is done to look if that cancer has spread.
If it's spread, then the oncologist may need to be involved upfront. If it hasn't spread, then the surgeon may try and resect the entire thing. And the pathologist is someone who looks at the tissue under a microscope, and is going to help you decide whether the tumor requires more therapy like chemotherapy. So it's really an approach that requires a lot of different people in a center.
DAVID R. MARKS, MD: We have a number of examples we're going to run through to try to see which way you'd go, and who you'd really turn to to make a decision. Let me run a couple of cases by you.
The first one is a 35-year-old woman with a history in her family of colon cancer, who complains of rectal bleeding, and she's found to have a polyp on colonoscopy. Who's involved in the treatment decisions?
MARK POCHAPIN, MD: Usually that's done right at the time of the diagnostic colonoscopy. The nice part about doing a colonoscopy in someone with a family history, is that if you find a polyp, it can be removed right there and then at the time of the diagnostic colonoscopy, making it a therapeutic procedure as well.