Tennis legend Chris Evert, 71, has opened up about the return of her cancer for a third time, sharing a personal letter about the current state of her health. "Ovarian cancer is relentless, but I will stay optimistic and determined in continuing to fight this battle," she wrote. "I am deeply grateful to my medical team, my family, friends, and everyone who has reached out with kindness and encouragement” 🤍 📸 : Getty #CancerJourney #HealthJourney