yolk sac tumor

例句：

1. 1.The patient's yolk sac tumor was successfully removed during surgery.
   患者手术中成功切除了蛋黄囊肿瘤。
2. 2.This rare condition is often mistaken for a common skin cancer.
   这种罕见的状况常被误认为是常见的皮肤癌。
3. 3. Due to the high risk of recurrence, patients with yolk sac tumors need close monitoring.
   由于复发风险高，患有蛋黄囊肿瘤的患者需要密切监测。