Pediatric cancer

• 恶性肿瘤

Pediatric cancer的用法和样例：

例句

1. The most common malignant entities are lung cancer and mediastinal tumor.
   常见的恶性肿瘤主要是肺癌和纵隔腔肿瘤。
2. The morbidity and mortality of each cancer were higher in men than in women.
   各种恶性肿瘤的男性发病率和死亡率明显高于女性。