Dave Coulier says he has been diagnosed with a second type of cancer, less than one year after announcing he had completed treatment for Stage 3 non-Hodgkin lymphoma.

The "Full House" actor shared the health update on Tuesday morning, telling NBC News he learned of the new cancer after a PET scan.

"Something flared on the PET scan, and it turned out that I have p16 squamous carcinoma at the base of my tongue," Coulier said.

He said doctors told him the new cancer was "totally unrelated" to his previous bout with the disease, and he is currently being treated with radiation.

"I'm currently going through 35 radiation treatments," he said. "I'll be done though [ on ] Dec. 31."

Coulier added that the prognosis is "very good" for squamous cell carcinoma that is p16-positive.

Cou

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