pulmonary lymphosarcoma

例句：

1. 1.This patient has a rare form of lung lymphosarcoma that requires immediate treatment.
   这位患者患有一种罕见的肺淋巴肉瘤，需要立即治疗。
2. 2. The diagnosis of this type of cancer is often delayed due to its insidious nature and the lack of early symptoms.
   这种癌症的诊断常常被推迟，因为它的隐蔽性质和缺乏早期症状。
3. 3. The prognosis for patients with pulmonary lymphosarcoma is generally poor, but recent advances in treatment have improved outcomes.
   肺淋巴肉瘤患者的预后通常较差，但近年来的治疗方法进步已经提高了结果。