fibrosarcoma of chest wall

例句：

1. 1.This patient had a fibrosarcoma of the chest wall that required surgery.
   这位患者患有胸壁的纤维肉瘤，需要进行手术。
2. 2.The fibrosarcoma was found to be highly aggressive and resistant to treatment.
   这种纤维肉瘤被发现具有高度侵袭性和对治疗的抵抗性。
3. 3. The diagnosis of the fibrosarcoma was confirmed through biopsy.
   通过活检确认了这种纤维肉瘤的诊断。