问题
早期胃癌是指病变局限在A.黏膜层B.黏膜层和黏膜下层 C.黏膜层和肌层D.肌层E.胃全层,未
早期胃癌是指病变局限在
A.黏膜层
B.黏膜层和黏膜下层
C.黏膜层和肌层
D.肌层
E.胃全层,未发生远处转移
请帮忙给出正确答案和分析,谢谢!
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