She presented with a 3-month history of a palpable, painless right breast mass without axillary lymphadenopathy and family history of breast cancer.

• 病患因右侧乳房无痛性肿块约3个月之久而求诊，病患并无腋下淋巴结肿大，亦无乳房恶性肿瘤家族病史。