California man's research leads him to Beaumont's Proton Therapy Center in Michigan

https://mma.prnewswire.com/media/662712/Beaumont_Logo.jpg?p=captionROYAL OAK, Mich., April 4, 2018 /PRNewswire/ -- The results of his MRI shocked Tracy Clifford, 58, and his wife. The images showed a baseball-sized tumor on the base of his spine attached to the sacrum. Back then, he was unaware of the 2,400 mile journey he'd be undertaking –  traveling to...