Full House star Dave Coulier has revealed he is undergoing treatment for tongue cancer, a year after beating non-Hodgkin lymphoma. Coulier, 66, announced the diagnosis on NBC’s Today show on Tuesday, telling co-anchor Craig Melvin that the new cancer—an HPV-related oropharyngeal carcinoma—was discovered during a follow-up PET scan.

Dave Coulier revealed how much weight he has lost after being diagnosed with HPV-related oropharyngeal tongue cancer. Coulier, 66, told People on Tuesday, December 2, that he lost 10 pounds because of the discomfort he experiences when eating.