matter is expelled from the bowel lumen prior to surgery, most commonly by using sodium phosphate. In popular culture In the Seinfeld episode "The Fusilli Jerry", Kramer erroneously gets the vanity plate "ASSMAN". He later finds out the plate belongs to a proctologist. Kramer claims the proctologists he has met always talk about patients concocting absurd stories of how an item accidentally ended up in their colon to avoid admitting that they deliberately inserted the object into their anus. See also Proctalgia fugax References Rectum