myxochondrofibrosarcoma

例句：

1. 1. This patient had a myxochondrofibrosarcoma that was aggressive and required aggressive treatment.
   这位患者患有一种侵袭性强的骨软骨肉瘤，需要积极的治疗。
2. 2. The diagnosis of the tumor is based on its histological characteristics, which are similar to those of myxochondrofibrosarcoma.
   该肿瘤的诊断基于其组织学特征，与骨软骨肉瘤相似。
3. 3. Myxochondrofibrosarcoma is a rare type of cancer that affects bone tissue and can lead to significantmorbidity and mortality rates.
   骨软骨肉瘤是一种罕见的癌症类型，影响骨骼组织，可能导致严重的疾病和死亡率。