


Less common types of ovarian cancer include stromal cell tumours or sex cord-stromal tumours that affect the hormone-producing cells in the ovary, and mostly occur in women aged 40 to 60 years. They make up about 5% of ovarian cancers.

Less common types of ovarian cancer include stromal cell tumours or sex cord-stromal tumours that affect the hormone-producing cells in the ovary, and mostly occur in women aged 40 to 60 years. They make up about 5% of ovarian cancers.