Prostate Cancer
From the CDC's Features series:
"...Prostate cancer is the most commonly diagnosed cancer in men, and second only to lung cancer in the number of cancer deaths. In 2007 (the most recent year for which statistics are available), 223,307 men were diagnosed with prostate cancer, and 29,093 men died from it.* CDC provides men, doctors, and policymakers with the latest information about prostate cancer..."