myelosarcoma

例句：

1. 1. Myelosarcoma is a rare form of cancer that affects the bone marrow.
   骨髓肉瘤是一种罕见的癌症，影响骨髓。
2. 2. The patient was diagnosed with myelosarcoma and underwent aggressive treatment.
   患者被诊断出患有骨髓肉瘤，并接受了积极的治疗。
3. 3.The prognosis for patients with myelosarcoma is generally poor, but early detection can improve outcomes.
   骨髓肉瘤患者的预后通常较差，但早期发现可以提高结果。