Well, sol, I'm guessing that you lived through the procedure (something I'm never sure of when I have it done) and are doing well. I find doctors to be interesting people who are usually happy to talk about their work. I did ask my butt doc about his specialty, and he told me. When he was in college and med school both his parents died of colon cancer a few years apart. At the time colonoscopies were not part of a regular medical program, but colon cancer is 100% preventable. When the time came to specialize, he did.