直肠癌切除术能否保留肛门,主要取决于(?)A.肿瘤距肛门的距离B.肿瘤的病理类型C.肿瘤是否已侵犯肠管周围D.肿瘤有无远处转移E.左半结肠的长度

作者: rantiku 人气: - 评论: 0
问题 直肠癌切除术能否保留肛门,主要取决于(?)
选项 A.肿瘤距肛门的距离 B.肿瘤的病理类型 C.肿瘤是否已侵犯肠管周围 D.肿瘤有无远处转移 E.左半结肠的长度
答案 A
解析

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