<unk> es are in general, large<unk>  items found in the rectum that can be assumed to have been inserted through the anus, rather than reaching the rectum via the mouth.  Smaller, ingested<unk>  bodies, such as bones eaten with food, can sometimes be found stuck in the rectum upon x-ray.<unk> es, and amateur attempts to remove them, can result in perforation of the bowel, which is a life-threatening medical emergency.  Medical literature covers examples of items retrieved from patients' rectums. Rectal<unk>  objects are also the subject of a number of urban legends.
Rectal foreign body
Vesicointestinal fistula
Anal fissure
Solitary rectal ulcer syndrome
Perianal abscess
Anal fistula
Anal dysplasia
Volvulus