根据大肠癌改良Dukes分期标准，B期是指A．癌肿局限于黏膜层B．癌肿穿透肌层而无淋巴结转移C．癌肿侵入肌层而无淋巴结转移D．癌肿在肠壁内而淋...

作者: rantiku 人气: - 评论: 0

问题根据大肠癌改良Dukes分期标准，B

期是指

选项 A．癌肿局限于黏膜层 B．癌肿穿透肌层而无淋巴结转移 C．癌肿侵入肌层而无淋巴结转移 D．癌肿在肠壁内而淋巴结已有转移 E．癌肿穿透肠壁，淋巴结有转移

答案 C

解析

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