tumor chemical therapy

例句：

1. 1. The tumor is growing rapidly and needs to be removed surgically.
   这个肿瘤正在迅速生长，需要手术切除。
2. 2. The doctor advised the patient to undergo regular check-ups for early detection of tumors.
   医生建议病人定期检查，以便早期发现肿瘤。
3. 3. Tumors can spread quickly if left untreated, posing a serious threat to the health of the patient.
   如果未及时治疗，肿瘤会迅速扩散，对患者健康构成严重威胁。