text_1: 最 可能 的 诊断 是 弥漫性 肺泡 出血 , 原因 是 插管 时 患者 已经 有 鼻出血 , 并且 从 气管 中 取出 了 血块 .
  
text_2: the most likely diagnosis was diffuse alveolar hemorrhage , given that , at the time of intubation , the patient had had epistaxis and clots were removed from his trachea .
  