"It’s been a bit of a roller coaster," he reflected. "There [are] days where I feel unbelievable. Then there’s other days where … I’m just going to lay down and let this be what it’s going to be."

Ultimately, Coulier hopes that by sharing his story, he can encourage others to get checked to hopefully avoid an even more serious diagnosis.

"I'm treating this as a journey," he said. "And if I can help someone who's watching today get an early screening, a breast exam, a colonoscopy, a prostate exam, go do it. Because, you know, for me, early detection meant everything."