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患者男性，５８岁。因腹痛，腹泻２月，发现左下腹包块１０天。体检：左下腹可扪及５ｃｍ×４ｃｍ×３ｃｍ质中包块。纤维结肠镜：乙状结肠２０ｃｍ处见一５ｃｍ×４ｃｍ×３ｃｍ菜花状肿块，充血，水肿。术中见乙状结肠一１０ｃｍ×８ｃｍ×７ｃｍ菜花样肿块，表面有坏死...
The patient male is 58 years old. Due to abdominal pain and diarrhea in February, left lower abdomen was found for 10 days. Physical examination: left lower abdomen can be palpable and 5cm × 4cm × 3cm mass mass. Fiber colonoscopy: A 5cm x 4cm x 3cm cauliflower-like mass was seen at 20cm in the sigmoid colon, with congestion and edema. See a 10cm×8cm×7cm cauliflower-like mass in the sigmoid colon, and the surface has necrosis...