Sigmoidorectal prolapse simulating rectal neoplasm.
D012809:Colon, Sigmoid; D004194:Disease; D006801:Humans; D011391:Prolapse; D012002:Rectal Diseases; D012004:Rectal Neoplasms; D012007:Rectum; D012810:Sigmoid Diseases
RECTUM/diseases; RECTUM/neoplasms; SIGMOID/diseases