The lesions located in the mucosal tissue with polyp-like or papular appearance, so they should be differentiated from other neoplasms or non-neoplastic lesions.
由于病变组织位于黏膜组织内呈丘疹样或息肉样外观，因此需从临床及组织学角度与多种病变相鉴别。
The lesions located in the mucosal tissue with polyp-like or papular appearance, so they should be differentiated from other neoplasms or non-neoplastic lesions.
由于病变组织位于黏膜组织内呈丘疹样或息肉样外观，因此需从临床及组织学角度与多种病变相鉴别。
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