“He made up his mind that a tumorous growth on the brain was responsible for the present state of the victim.”

“Instead, these germ cells appear to redivide to form clusters of abnormal germ cells that degenerate or occasionally produce tumorous cysts.”

“The more pragmatic will settle for its helping them avoid an unpleasant, tumorous death.”

“For these reasons, a direct tumorigenic effect that transforms infected hepatocytes into malignant cells is probably unlikely.”

“A tumorigenic ovarian cancer cell line failed to form tumours in athymic mice.”

“This process is thought to stimulate tumorigenic growth and to allow the intraductal proliferations to progress to carcinoma.”