乳腺癌是一种常见的恶性肿瘤,居女性恶性肿瘤的首位。腋淋巴结是乳腺癌淋巴转移的主要途径,其状态是影响乳腺癌患者预后的最重要的因素,也是患者选择辅助治疗方案的重要依据。 近20年来随着对乳腺癌的深入研究,美国学者Fisher指出:乳腺癌是一种全身性疾病,癌细胞转移无固定模式,区域淋巴结具有重要的生物学免疫作用,但不是癌细胞滤过的有效屏障,血流扩散更具重 Breast cancer is a common malignancy, ranking first in women’s malignancies. Axillary lymph node metastasis is the main way of breast cancer, its status is the most important factor affecting the prognosis of breast cancer patients, but also an important basis for patients to choose adjuvant therapy. In the recent 20 years, with further study on breast cancer, Fisher, a scholar in the United States, pointed out that breast cancer is a systemic disease with no fixed pattern of metastasis and regional lymph nodes have important biological immunity but not cancer cells. Effective barrier, more diffuse blood flow