乳腺间叶性软骨肉瘤一例解放军１５２医院病理科杨珍凤患者女，４２岁。左乳腺包块１８年，无疼痛不适，渐增大。近二月来，乳腺肿块迅速增大伴疼痛，全身无发烧、盗汗等症状。查体：左乳腺包块位于外上象限，拳头大小，表面不红，无破溃。质硬如骨，压痛明显。左腋淋巴结... A case of breast mesenchymal chondrosarcoma A 42-year-old female patient, Yang Zhenfeng, Department of Pathology, 152 Hospital of PLA. Left breast mass 18 years, no pain and discomfort, gradually increased. In the past two months, breast masses have rapidly increased with pain, and there have been no symptoms of fever or night sweats. Physical examination: The left breast mass is located in the upper quadrant, fist size, surface is not red, no ulceration. Hard as bone, tenderness is obvious. Left axillary lymph nodes...