左半结肠癌的主要症状是()。A .腹痛 B .腹部包块C .肠梗阻 D .恶心、呕吐 E .排便习惯及粪便性状改变

作者: rantiku 人气: - 评论: 0
问题 左半结肠癌的主要症状是()。
选项 A .腹痛 B .腹部包块 C .肠梗阻 D .恶心、呕吐 E .排便习惯及粪便性状改变
答案 C
解析 左半结肠癌以肠梗阻、便秘、便血等为主要表现。
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