原发性双侧乳腺癌(PBBC)的总体发病率不高,但近年来有逐渐增高的趋势。原发性双侧乳腺癌是指双侧乳腺同时或先后发生的独立的原发癌灶,是多原发癌的一种类型。双侧乳腺癌发病率较低,诊断及治疗都有一定的特殊性,现将近7年来收治的12例双侧乳腺癌的诊断及治疗情况结合有关资料报 The overall incidence of primary bilateral breast cancer (PBBC) is not high, but in recent years there is a gradual increase in the trend. Primary bilateral breast cancer refers to the independent or primary breast cancer that occurs simultaneously or sequentially with both breasts and is a type of multiple primary cancer. The incidence of bilateral breast cancer is low, the diagnosis and treatment have a certain specificity, now nearly seven years admitted to the diagnosis and treatment of 12 cases of bilateral breast cancer combined with the relevant information