When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A cancer diagnosis is so difficult. It felt very devastating when Dave called. Dave and [his wife] Melissa called and let us know personally before it went out to the press.

Dave Coulier is staying positive as he battles a “very aggressive” form of cancer. The “Full House” star, 65, shared an update on his cancer treatment on Friday, posting a photo on his Instagram story giving a thumbs-up during a chemotherapy session.

"Full House" alum Dave Coulier revealed that he has been diagnosed with cancer, specifically Stage 3 non-Hodgkin lymphoma.