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乳腺癌是妇女最常见的恶性肿瘤(31%),其死亡率仅次于肺癌而位居第二[1]。恶性肿瘤细胞的转移是主要致死因素,而淋巴道转移是主要转移途径之一。据统计,常规病理检查淋巴结阴性患者仍有20%～30%于手术后5年内出现远处转移。所以准确检测淋巴结转移情况对指导治疗和判断预后都十?
Breast cancer is the most common malignancy in women (31%) and its mortality is second only to lung cancer [1]. Malignant tumor metastasis is the major cause of death, and lymphatic metastasis is one of the major metastatic routes. According to statistics, 20% to 30% of lymph node-negative patients with routine pathological examination still have distant metastases within 5 years after surgery. So accurate detection of lymph node metastasis leads to treatment and prognosis.