平坦型大肠肿瘤包括表浅型大肠肿瘤及凹陷型大肠肿瘤，与大肠癌发生有密切相关的特殊性。

Flat colon lesions, which include superficial colon tumor and depressed colon tumor, have close relationship with colon cancers.

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平坦型大肠肿瘤包括表浅型大肠肿瘤及凹陷型大肠肿瘤，与大肠癌发生有密切相关的特殊性。

Flat colon lesions, which include superficial colon tumor and depressed colon tumor, have close relationship with colon cancers.

youdao