隐性乳腺癌是乳腺癌中较少见的一种特殊类型，我们在临床工作中遇到2例，均有长期误诊情况，现结合文献报告如下：临床资料例1：患者女性，59岁。26月前因发现右腋下肿块40天行肿块切除，病检为转移性鳞癌；18月后右腋窝再次出现一约4×3cm肿块，首次手术行右服淋巴结清扫术，? Recessive breast cancer is a rare type of breast cancer that is rare. We encountered two cases in our clinical work. There are long-term misdiagnosis cases. The combined literature reports are as follows: Clinical data Example 1: A female patient is 59 years old. Twenty-four months ago, the right infraorbital mass was found to have undergone a 40-day mass resection. The metastatic disease was metastatic squamous cell carcinoma; after 18 months, a 4×3cm mass appeared again in the right armpit and the right operation was performed for lymph node dissection.