Importantly, proximal-type epithelioid sarcoma has a much worse prognosis than the classical, distally located ones. 重要的是近端上皮样肉瘤比起传统末端上皮样肉瘤临床的预后更差。
Myeloid sarcoma is extremely rare, from lack of associated symptoms or diagnostic modalities sensitive for these lesions. 摘要骨髓样肉瘤是一种极罕见的肿瘤，因为这种肿瘤缺乏与其有相关的症状以及敏感的诊断模式。
