WASHINGTON — Just months after announcing he was cancer-free, actor Dave Coulier says he is now undergoing cancer treatment again.

The 66-year-old “Full House” star shared the news on the TODAY show Dec. 2, revealing that he was diagnosed in October with HPV-related oropharyngeal squamous cell carcinoma at the base of his tongue.

“To go through chemotherapy and feel that relief of whoa, it’s gone, and then to get a test that says, well, now you’ve got another kind of cancer … it is a shock to the system,” he said on Tuesday.

Coulier had publicly revealed his Stage 3 non-Hodgkin lymphoma diagnosis in November 2024, after discovering an enlarged lymph node. He underwent surgery and six rounds of chemotherapy, and learned in March that he was cancer-free. He continued routine PET sc

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