title: Villous adenoma of the rectum associated with severe electrolyte imbalance.
mesh_terms: D000236:Adenoma / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000150:complications*; D014883:Water-Electrolyte Imbalance / Q000209:etiology*