“Nurse explaining anomalities of human rectum. Anatomically correct model of human rectum shows ulcerative colitis, internal and external fistula, internal and external hemorrhoids, annular cancer, skin tag, sessile polyp, submucosal abscess, pedunculated polyp, supralevator abscess, ischiorectal abscess, cryptitis, diverticulum, condyloma acuminatum, fissure and condyloma latum. White background.”