Hockey Player Diagnosed with Colon Cancer at 26

David Lyon, a 26-year-old hockey player, was diagnosed in 2021 with stage IV colorectal cancer that had spread to his liver; he later received a liver transplant in 2024 and is currently reported as cancer-free.

David Lyon noticed blood in his stool in 2021 but initially dismissed it. When he later felt sharp pain on standing, he went to an emergency room in Erie, Pennsylvania, and doctors recommended a colonoscopy. Three days after that procedure he was diagnosed with stage IV colorectal cancer that had spread to his liver. He underwent intensive treatment and, in 2024, had a liver transplant. Key points: - Lyon was diagnosed in 2021 with stage IV colorectal cancer that had spread to his liver. - His treatment included chemotherapy, radiotherapy, surgery to remove the primary tumor, and a liver transplant in 2024. - He continued playing hockey and maintaining workouts through much of his treatment and is reported as currently cancer-free while following up at the Cleveland Clinic. - The American Cancer Society reports five-year survival for stage IV colorectal cancer at about 13 to 18 percent. Summary: Lyon is sharing his experience publicly; the article reports he wants to encourage other young men to speak with their doctors when they have health concerns. He is described as cancer-free at this time and continues follow-up care at the Cleveland Clinic. Undetermined at this time.