问题
单项选择题
仅浸润黏膜层及黏膜下层的胃肠道癌称（ ）
A．交界性肿瘤
B．早期癌
C．良性肿瘤
D．恶性肿瘤
E．癌前病变
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
仅浸润黏膜层及黏膜下层的胃肠道癌称（ ）
A．交界性肿瘤
B．早期癌
C．良性肿瘤
D．恶性肿瘤
E．癌前病变
参考答案：B
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