男,22岁,患者于3年前偶然发现右乳腺外上方有一个钱币大小的卵圆形肿块,质硬如骨,可活动,以后渐增大,无自觉症状。今年8月感右臂酸痛与发烧,右前胸乳头外上方4cm处有一鹅蛋大肿块隆起、质坚硬,不活动,表面结节感,无明显红,肿,热,痛。右腋下淋巴结如黄豆,蚕豆大,活检为慢性炎 Male, 22 years old, had accidentally discovered a coin-sized ovoid lump on the top of the right breast three years ago. It was as hard as bone and could be active. It gradually became larger without symptoms. In August this year, I experienced aching and fever in my right arm. There was a large goose bump uplift 4cm above the right anterior chest papilla. The mass was hard, inactive, and the surface was nodular. No redness, swelling, heat, and pain were evident. Right axillary lymph nodes such as soybeans, broad beans, biopsy for chronic inflammation