serous tumors of ovary

例句：

1. 1. The patient was diagnosed witha serious tumor in her ovary.
   患者被诊断出卵巢里有严重的肿瘤。
2. 2.The treatment for this type of tumor iscomplex and requires specialized care.
   这种肿瘤的治疗很复杂，需要专门的护理。
3. 3. Theprognosis for patientswith such severe tumors isgenerally poor.
   患有如此严重肿瘤的患者预后通常很差。