In the present case, the resection specimen definitely showed islands of metaplastic bone superficial to the muscularis propria, thus excluding sacral invasion.
此例中，切除的标本中很明确的显示出固有肌层浅表的岛状化生骨，因此可以排除骶骨侵犯。
Pathological findings included crypt epithelial cell apoptosis and dropout, crypt destruction and variable lymphocytic infiltration of epithelium and lamina propria.
病理学表现提示：隐窝上皮细胞凋亡、缺失，隐窝结构破坏，上皮和黏膜固有层不同程度的淋巴细胞浸润。
Pathological findings included crypt epithelial cell apoptosis and dropout, crypt destruction and variable lymphocytic infiltration of epithelium and lamina propria.
病理学表现提示：隐窝上皮细胞凋亡、缺失，隐窝结构破坏，上皮和黏膜固有层不同程度的淋巴细胞浸润。
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