tumor of pulmonary artery body of mediastinum

例句：

1. 1.The patient was diagnosed with a tumor of the pulmonary artery body in the mediastinum.
   患者被诊断出胸主动脉瘤体。
2. 2.The surgery was successful, but the patient still had a tumor of the pulmonary artery body in the mediastinum.
   手术成功了，但患者仍然有一个胸主动脉瘤体。
3. 3. The patient's condition worsened after the surgery, and he was found to have a tumor of the pulmonary artery body in the mediastinum.
   手术后，患者的病情恶化，被发现有一个胸主动脉瘤体。