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.

Dave Coulier tells PEOPLE he is drawing inspiration from the many women in his family who have had cancer as he navigates his own journey with stage 3 non-Hodgkin lymphoma.

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

John Stamos is showing his support for his former “Full House” co-star, Dave Coulier, amid his cancer diagnosis. The actor sported a bald cap in “solidarity” with Coulier who was recently diagnosed with Stage 3 Non-Hodgkin lymphoma,

Dave Coulier and John Stamos have a long history. The two spent years filming the beloved series Full House together, but their friendship did not end there. After the 65-year-old revealed he was diagnosed with stage 3 Non-Hodgkin lymphoma,

John Stamos says he was caught off guard by the controversy his bald cap tribute to Dave Coulier has caused on social media. “Nothing like throwing on a bald cap and flexing some Photoshop skills to show some love and solidarity with my bro,