xanthogranuloma of mediastinum

例句：

1. 1. The patient had a xanthogranuloma on the chest wall.
   患者胸部有一块黄肉瘤。
2. 2.The diagnosis of xanthogranuloma was confirmed by biopsy.
   通过活检确认了黄肉瘤的诊断。
3. 3. Xanthogranulomas are often associated with chronic infections.
   黄肉瘤常与慢性感染有关。