Abstract:A 70-year-old man was admitted to our hospital with sudden hematochezia and an elastic, soft, reddish tumor measuring 40 mm in diameter prolapsed through the anus. The prolapsed tumor was manually repositioned, and subsequent computed colonography revealed it to be a villous tumor located in the sigmoid colon; it was diagnosed as a tubulovillous adenoma on biopsy. After the patient underwent bowel rest, elective laparoscopic resection was performed.The postoperative course was uneventful, and the patient was d… Show more
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