隐匿性乳腺癌以腋窝淋巴结肿大为首发症状 ,体检中乳腺触摸不到实质性肿块。 190 7年 ,Ｈａｌｓｔｅｄ首先描述了 2例隐匿性乳腺癌患者的症状、治疗方法和自然病程[1] ,此后隐匿性乳腺癌的诊断和治疗引起了学者的关注。本病发病年龄多在 4 0～ 60岁 ,左侧乳腺多见 ,多位于乳房 In occult breast cancer, axillary lymph node enlargement is the first symptom. In the physical examination, the breast can not touch the solid mass. In 190, Halsted first described two cases of occult breast cancer patients with symptoms, treatment methods and natural history [1]. Since then, the diagnosis and treatment of occult breast cancer has attracted the attention of scholars. The onset age of the disease is mostly between 40 and 60 years old. The left breast is more common and mostly located on the breast.