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大肠癌是我国常见的恶性肿瘤之一 ,其术后转移和复发是大肠癌患者死亡的重要原因。准确判断肿瘤有无转移及其转移途径及范围对临床大肠癌的诊断、治疗及预后判断有重要指导意义。但在常规病理检查“无淋巴结转移”的大肠癌DukesB期患者中 ,有近 30 %5年内死于肿瘤复发或远处转
Colorectal cancer is one of the common malignant tumors in our country. The postoperative metastasis and recurrence of colorectal cancer are the important causes of death in patients with colorectal cancer. Accurately determine whether the tumor metastasis and metastasis and the scope and scope of clinical colorectal cancer diagnosis, treatment and prognosis have important guiding significance. However, in the routine pathological examination, “no lymph node metastasis,” DukesB patients with colorectal cancer, nearly 30% died within 5 years of tumor recurrence or distant metastasis