Upper-anterior mediastinal的用法和样例：
例句
- Anesthesia for patients with a huge anterior mediastinal tumor is a well-known challenge and trial to all the anesthesiologists.
摘要为有巨大前纵隔腔肿瘤的病人进行麻醉，是麻醉医师极困难且富挑战的工作。 - Results Thymomas and teratomas tended to be located in the anterior mediastinum, whereas neurogenic tumours and EDST predisposed to the posterior mediastinum.
结果畸胎瘤和胸腺瘤位于前纵隔，神经源性肿瘤和内胚窦瘤发生于后纵隔。
