fibrosarcoma of breast

例句：

1. 1.The patient was diagnosed with a fibrosarcoma of the breast.
   患者被诊断出患有乳腺癌的纤维肉瘤。
2. 2. Fibrosarcomas are rare but aggressive tumors that can metastasize to other parts of the body.
   纤维肉瘤罕见但侵袭性强，可以转移到身体的其他部位。
3. 3. The treatment for fibrosarcomas involves surgery, radiation therapy, and chemotherapy.
   治疗纤维肉瘤的方法包括手术、放疗和化疗。