What is a serous tumor of the testes?

OVARIAN CANCER

Ovarian cancer is a nonspecific term for a variety of cancers that originate in the ovary. There are about 20 microscopically distinct types. They can be classified into three large groups, epithelial cancers, germ cell tumors, and specialized stromal cell cancers. There are three groups because the ovary contains collections of cells with three distinct origins and functions.