Rectal biopsy for the diagnosis of amyloidosis.
D000686:Amyloidosis / Q000150:complications*; D001706:Biopsy; D013505:Digestive System Surgical Procedures; D006801:Humans; D007422:Intestines; D012007:Rectum / Q000473:pathology*
AMYLOIDOSIS/complications; RECTUM/pathology