tumor of anterior mediastinum

例句：

1. 1.The patient's tumor of anterior mediastinum was successfully removed.
   患者的前纵隔肿瘤成功切除。
2. 2. The diagnosis of the patient's tumor of anterior mediastinum was made based on the imaging studies.
   根据影像学检查，患者前纵隔肿瘤的诊断结果已确定。
3. 3. The patient's condition worsened after the surgery, and a tumor of anterior mediastinum recurred.
   手术后，患者的病情恶化，前纵隔肿瘤复发了。