Christian singer Carman Domenic Licciardello, better known simply as Carman, gave his fans quite the scare after he was recently rushed to the hospital after a concert because of a heart problem. But the optimistic singer is assuring fans not to worry about him because his cancer did not come back and all he needed was extra rest.

Back in February 2013, Carman was diagnosed with myeloma and given a prognosis of only three to four more years to live. By early 2014, Carman thanked God because his body was finally cancer-free.

On his Facebook page, Carman shared a smiling selfie at the hospital and wrote, "I was taken to the [emergency room] on the last day of tour in Belton, Texas. It's been a very stressful tour with lots of technical difficulties and frustrations. Not to mention an 18 city string of one nighters."

As physically exhausting as all those things can get, Carman strives to do right by his fans. "I try really hard to make things great for my supporters and fans. Everyone continues to give so generously to our gofundme.com/carman that I really really want the show to be better each time I walk out and the most anointed visual spectacle you've ever seen," he explained.

Carman said he "overdid" things, given that he's been having bad chest pains for the past two weeks. Things got so serious in the last couple of days that a medic was pleading with him to go straight to the hospital. But the singer did not listen.

"I wanted to do the last show. People have bought tickets and waited in line. No way was I going to not show up. So when the concert was over I walked off the stage into a car zooming straight for the ER," he shared. "So far the doctors are saying it's all stress related but I'm just starting the tests now. I've only gotten [two] hours of sleep and no food since Sunday so [I'm] dying to get a meatball sandwich."

Carman asked fans to keep him in their prayers. Even though they are still struggling with tech issues and the overwhelming number of tour dates, he feels blessed to be alive and cancer-free.