The man thingy

[$parechange]

>"Of course I won't laugh," said the nurse. "I'm a
>professional. In over twenty years I've never laughed at a patient."
>
>"Okay then," said Sam, and he proceeded to drop his trousers, revealing
>the tiniest 'man thingy' the nurse had ever seen. Length and width, it couldn't
>have been bigger than a AAA battery. Unable to control herself, the nurse started giggling, then fell
>to the floor laughing. Ten minutes later she was able to struggle to her feet and
>regain her composure.
>
>"I am so sorry," she said. "I don't know what came over me. On my
>honor as a nurse and a lady, I promise it won't happen again. Now, tell me, what
>seems to be the problem?"
>
>"It's swollen," Sam replied.
>
>She ran out of the room.