Either way, as epithelial cells--closely packed, multilayered cells of which most solid tumors are made--they are oddballs in their new fluid environment.
It presents itself in four main ways: 1) epithelial, in which there is no rodlike framework; 2) scirrhous or hard, in which the framework predominates and the tumor is hard and .
Over the years, 68 of these women developed epithelial ovarian cancer.