sarcoma medullary的用法和樣例：
例句
- Myeloid sarcoma is extremely rare, from lack of associated symptoms or diagnostic modalities sensitive for these lesions.
摘要骨髓樣肉瘤是一種極罕見的腫瘤，因為這種腫瘤缺乏與其有相關的癥狀以及敏感的診斷模式。 - Importantly, proximal-type epithelioid sarcoma has a much worse prognosis than the classical, distally located ones.
重要的是近端上皮樣肉瘤比起傳統末端上皮樣肉瘤臨床的預后更差。
