‘DOUBLE WHAMMY’: Martina Navratilova Has 2 Kinds of CancerBut both are in the early stages, and her prognosis is said to be good.Updated Jan. 02, 2023 10:48AM ET / Published Jan. 02, 2023 10:32AM ET Tim Clayton/Corbis via GettyTennis legend Martina Navratilova has revealed she is battling two forms of cancer—an early-stage throat malignancy, and an unrelated breast tumor discovered at the