Because there are no early signs or symptoms with masses in the ovary, many of these ovarian tumors have metastasized by the time they are detected with abdominal enlargement.

• 由于卵巢肿瘤的发生没有早期的症状和体征，大多数卵巢肿瘤的发现是由于肿瘤转移至腹腔而使腹部膨隆被发现的。