Hyponatremia due to a villous adenoma of the rectosigmoid.
D018253:Adenoma, Villous; D003110:Colonic Neoplasms; D006801:Humans; D007010:Hyponatremia; D012004:Rectal Neoplasms; D012007:Rectum; D012964:Sodium / Q000097:blood*
D012964:Sodium
COLON/neoplasms; RECTUM/neoplasms; SODIUM/in blood