The "Full House" star has been supportive of his costar who recently revealed having stage 3 non-Hodgkin lymphoma ...

John Stamos shared a post in solidarity with former Full House co-star Dave Coulier — but fans weren't feeling the love.

Former "Full House" co-stars John Stamos and Dave Coulier shared photos of them hanging out amid Coulier's battle with cancer ...

John Stamos was on hand to help his former “Full House” costar Dave Coulier shave his head after his stage 3 Non-Hodgkin’s lymphoma cancer diagnosis.

As Dave Coulier continues to go through cancer treatment, he is getting some support from his friend John Stamos.