ovarian tumor的用法和樣例：
例句
- Functionally, there is eidence showing a direct action of gonadotropins on oarian tumor cell growth.
證據表明促性腺激素在功能上對於卵巢腫瘤細胞生長具有直接作用。 - The diagnosis is made histopathologically, and the differential diagnosis between benign and malignant ovarian tumors cannot be made until operation.
診斷依靠組織病理，良惡性卵巢腫瘤的鑒別診斷只有通過手術才能確定。
