On wrong track?

I told my boss I will be in late on Monday and I explained my problem to him. He said it sounds like a hemorroid.

I don't know too much about hemorroids so I did a little research. After a little reading it looks like I have what's called an Anal Rectal Abscess. Basically a buildup of puss in a cavity.

Not as bad as a torn muscle but it doesn't get rid of the pain.