患者 ,女性 ,44岁。因左乳肿块 2月余入院。入院前 2个月发现左乳一直径 4ｃｍ左右肿块 ,局部略有红肿 ,在当地按乳腺炎予以抗炎治疗效果不佳 ,肿块迅速增大。查体 :左乳外侧部肿块 6× 7× 3.5ｃｍ质硬 ,边界清楚 ,活动度尚可 ,与皮肤粘连 ,局部轻度红肿 ,左腋下可扪及肿大淋 Patient, female, 44 years old. Due to left breast lumps more than 2 months admitted to hospital. 2 months prior to admission found that left breast diameter of about 4cm mass, local slight redness, according to the local mastitis to anti-inflammatory treatment ineffective, rapidly increased mass. Physical examination: the left lateral breast mass 6 × 7 × 3.5cm hard, clear boundary, mobility is acceptable, and skin adhesion, local mild redness, left armpit palpable and swollen