A pair of childhood classmates who served together in the Tennessee National Guard reconnected during their cancer treatments nearly 50 years after they fell out of touch. Billy Taylor, a two-time cancer survivor, wasn’t entirely surprised when he found himself back at the Sarah Cannon Cancer Center at TriStar Natchez in Dickson, Tennessee, for yet another round of radiation, WSMV 4 reported. Billy Taylor, a two-time cancer survivor, completed radiation treatment for a third time. NBC/WSMV At the same time, Randy Duke was riding his motorcycle to the same center for daily radiation and chemotherapy treatments as he fights an aggressive throat cancer. For weeks, neither knew that they were incidentally crossing paths with an old friend. Duke and Taylor attended school together in White Bluff, Tennessee — just 10 miles outside of Dickson — and were in the same training unit in the Volunteer State’s National Guard. Randy Duke is undergoing daily radiation and chemotherapy to fight an aggressive throat cancer.…