Popular radio DJ Scott McKenzie of Orlando's Mix 105.1 is battling cancer again after being given the all-clear in February. A month later, he knew something was wrong, and his cancer came back for a third time, with a vengeance.

Now, McKenzie is back on the airwaves and talking about his fight and the long road he still has ahead of him.

Scott has non-Hodgkin's lymphoma, a type of blood cancer. It's his third bout with cancer, and this time, it hit him harder than ever, forcing him off the airwaves and into the hospital.

When McKenzie started feeling better, he went back to work on the radio, but said it won't be for long. He will be leaving again for more aggressive cancer treatments. 

You may not recognize McKenzie now — his hair is gone after two rounds of chemotherapy — but his voice, a fixture on the Orlando airwaves for 23 years, remains the same.

"The nice thing about radio is you don't have to look great; you just have to sound like yourself," said McKenzie.

And being a radio personality wasn't something he was going to give up when he was dealt a third bout of cancer.

"It's in your blood," McKenzie said, quickly adding, "figuratively — I have other things in my blood, literally, that I'm trying to get rid of."

For more than a month he was hospitalized fighting the cancer that he thought would never come back, leaving a noticeable absence on his morning radio show.

But once McKenzie started to feel better, he walked back into work, plugged in his headphones and flipped the switch to go back on the air — without telling his doctor.

"It turned out to be the best medicine actually," McKenzie said.

While he continues to talk, laugh and play the music, this business-as-usual behavior is what McKenzie calls the "eye of the storm." Next month, he'll be going off the air again to undergo a stem cell transplant.

"They basically wipe you out and then take your own stem cells that they've harvested and feed them back in," McKenzie explained.

It's a serious procedure that he and his loved ones hope will finally rid him of cancer.

"The main thing you're trying to buy is time," McKenzie said.

Time that is already spent surrounded by the support he has both at home and on the air.

Scott McKenzie said his doctor has figured out that he already went back to work, so it didn't stay a secret for very long.