Definition: Pylorectomies, also known as pyrorectomies or rectal pyrosis, are a condition characterized by painful ulcers on the rectum and anus. These ulcers can be caused by various factors such as bacterial infection, trauma to the rectum or anus, or other conditions that affect the anal sphincter. The pain may also radiate down the back of the buttocks, causing discomfort and pressure points. Pylorectomies are often a result of an