Therefore, a secondary infiltration or metastasis to the colon and rectum must be excluded before a definite diagnosis of primary colorectal signet ring cell carcinoma can be established.
因此，在原发性结直肠印戒细胞癌明确诊断前必须排除其它器官的直接浸润或转移至结直肠。
Inflammatory cell infiltration and distribution of collagen were detected by pathological test.
病理检测炎性细胞浸润反应和胶原分布状况。
Tumor infiltration to adjacent tissues and metastasis are credible evidence for the diagnosis of a malignant islet cell tumor.
肿瘤对周围组织浸润和肿瘤转移是恶性胰岛细胞瘤最可靠的诊断标准。
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