John Cossman has been battling cancer for eight years . Success is often measured in small steps . He turned to clinical trials to stay alive after regular treatment options ran out . The Canadian Cancer Society says the average survival time of patients with advanced prostate cancer, which is a form of aggressive breast and lung cancers, was just over two years. Before FDA approval , a drug goes through yearslong testing .
John Cossman has been battling cancer for eight years . He turned to clinical trials to stay alive after regular treatment options ran out . The Canadian Cancer Society says the average survival time of patients with advanced prostate cancer, which is a form of aggressive breast and lung cancers, was just over two years. Before FDA approval , a drug goes through yearslong testing .