病例介绍患者，男性，６８岁，４个月前发现右乳内上向限有一约３ｃｍ×２ｃｍ大小肿物，无疼，稍活动。近一个月来迅速增大约１５ｃｍ×１０ｃｍ×１０ｃｍ，同时伴有压痛。外科检查：肿物质软，边界尚清，皮肤无橘皮样改变，随行肿块切除。术中见：肿物与周围组织分界尚... Case presentation The patient, male, was 68 years old. Four months earlier, the upper right limit of the right breast was found to have a size of about 3cm x 2cm. No pain, slight activity. Nearly a month has rapidly increased by about 15cm × 10cm × 10cm, accompanied by tenderness. Surgical examination: The material is soft, the border is still clear, the skin has no orange-like changes, and the accompanying mass is removed. See the surgery: the boundary between the tumor and the surrounding tissue is still ...