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患者女性,66岁。因大便次数增多伴黏液血便3个月于2006年5月18日入院。查体:双侧腹股沟淋巴结无肿大。直肠指诊:于肛管左前壁距肛缘约2cm处有一椭圆形肿块,大小约3.0cm×2.0cm×2.0cm,质硬,无触痛,基底与顶部之间有蒂相连,基底固定。辅助检查:CEA、CAl99、CA242均为阴性。纤维?
Female patient, 66 years old. Due to increased frequency of bowel movements, bloody mucus was admitted to hospital on May 18, 2006 for 3 months. Physical examination: There was no swelling of the bilateral inguinal lymph nodes. Rectal examination: There is an oval mass about 2cm away from the anal verge of the anal canal. The size is about 3.0cm×2.0cm×2.0cm. It is hard and has no tenderness. The pedicle is connected between the base and the top. The basement is fixed. . Auxiliary examination: CEA, CA1 99, CA242 are all negative. fiber?