Sanders said during a news conference on Monday that the cancer was found when he went for a precautionary annual CT scan; he has a history of blood clots in his legs. Bladder cancer is more common in men than women. The American Cancer Society estimates there will be nearly 85,000 new cases in 2025, with more than 65,000 in men.

Colorado coach Deion Sanders said he was diagnosed with an aggressive form of bladder cancer. Here's what we know.