患者，女性，58岁。因右乳房肿块两年余入院。肿物初起约蚕豆大小，渐增大。近半年增大迅速伴触痛。患者既往健康，无肿瘤家族史。月经史无异常，现已停经4年。体检：右乳下限可触及7cm×5．5cm×5cm大小肿块，边界清楚，质硬，活动度尚可，压痛（＋），乳头上移，腋下淋巴结未 Patient, female, 58 years old. The right breast lumps were admitted to the hospital for more than two years. From the beginning of the tumor, the size of the broad beans increased. Increased rapidly with tenderness in the last six months. The patient was previously healthy and had no family history of cancer. There is no abnormal history of menstruation and it has been stopped for 4 years. Physical examination: The right breast lower limit can reach a size of 7cm x 5.5cm x 5cm lump, with clear boundaries, hard quality, adequate mobility, tenderness (+), nipple up, axillary lymph node not