病例女 ,４４岁 ,４个月前发现左乳肿物 ,约蚕豆大小。２个月前又发现右乳肿物 ,约有蛋黄大小 ,局部无疼痛 ,无乳头溢液 ,无发热。饮食睡眠佳 ,体重无减轻。专科检查 :双乳对称 ,无皮肤凹陷 ,无乳头回缩或偏斜。于右乳内上象限可触及３ｃｍ×２ ５ｃｍ×２ ０ｃｍ肿物 ,质硬不 Case female, 44 years old, found a left breast mass about 4 months ago, about the size of broad beans. Two months earlier, I found a right breast mass, about the size of an egg yolk, no local pain, no nipple discharge, and no fever. Good diet and sleep, no weight loss. Specialist examination: symmetrical breasts, no skin depression, no nipple retraction or deflection. In the right breast upper quadrant, 3cm×2 5cm×20cm masses can be touched.