TNT ' s Craig Sager told HBO that doctors have told him a person in his condition would normally have 3 - 6 months to live without any treatment .
TNT ' s Craig Sager is battling leukemia .
TNT ' s Craig Sager , who is battling leukemia , told HBO that doctors have told him a person in his condition would normally have 3 - 6 months to live without any treatment .