The Colon is a Mighty Big River:
Here's to the Colorectal Surgeon:
Dave Barry on his colonoscopy. Article here.
From The Simpsons, Homer's colonoscopy:
Update - Miss Cellania at Neatorama had posted this one a few years ago:
The same doctor borrowed the tune from The Street Where You Live from My Fair Lady:
Gastroenterologist Patricia Raymond is also a comedienne known as The Divine Ms. Butt Meddler. Here she sings her way into your ...heart, with a song about what your first colonoscopy will be like.
The same doctor borrowed the tune from The Street Where You Live from My Fair Lady:
The Hole In Your Rear (from the classic Broadway musical "My Fair Colon")