My birth mom's husband, Larry, is well-know for his sense of humour. Recently, he underwent tests to determine the cause of blood in his stool. This included the usual barium enema and colonoscopy.
When the test results were in, the doctor sat down to discuss them with him. "It seems, Larry, that you have a wart-like growth at the entrance to your rectum, which is being irritated every time you have a bowel movement..."
"Excuuuse me!" Larry interrupted. "That may be YOUR entrance, but it's MY exit!"