<prompt> Villous polyp of rectum manifest -Bleeding PRMucus diarrhoea with hypokalemiaProlapse rectumObstruction  <response>: Villous adenoma causes profuse watery diarrhea and hypokalemia, hyponatremia, hypochloremia and metabolic acidosis. Best treatment: Submucosal resection endoscopically or surgically Provided cancerous change has been excluded. 