Longtime Turner Sports reporter Craig Sager, who has been battling leukemia since being diagnosed for the first time in April 2014, said his cancer has returned.
Sager talks about the uphill battle on HBO's "Real Sports" that will air on Tuesday.
Sager, 64, has received bone-marrow and stem-cell transplants from his son, Craig.
"Still kicking, still fighting. I haven't won the battle. It's not over yet, but I haven't lost it either," Sager tells HBO. "There have been some victories and some setbacks. I still have to fight it, and I still have a lot of work to do."
Sager, known for his flamboyant wardrobe, says he is entering "unchartered waters."
"I've already had two stem cell transplants. Very rarely does somebody have a third," Sager tells HBO. "So I have to maintain my strength, so I can go through this."
