Actor Dave Coulier, 65, has been diagnosed with stage 3 non-Hodgkin lymphoma.Coulier, formerly of "Full House," revealed his diagnosis in an exclusive interview with People Wednesday.Non-Hodgkin lymphoma is a type of blood cancer that develops in the body's lymphatic system.

Dave Coulier has been diagnosed with Stage 3 non-Hodgkin lymphoma. The Full House alum shared the news on TODAY on Wednesday, telling Hoda Kotb that he received his diagnosis “five weeks ago,” per Variety.

John Stamos addressed the backlash surrounding him wearing a bald cap in photos with Dave Coulier.On Nov. 18, the Full House alum posted a series of Instagram photos wearing a bald cap alongside his former costar,

Actor Dave Coulier, known for playing Uncle Joey on the TV series Full House, announced he has stage 3 non-Hodgkin's lymphoma.

"Full House" star Dave Coulier revealed on Wednesday that he has been diagnosed with Stage 3 non-Hodgkin lymphoma, a form of blood cancer.

Dave Coulier, who has an "aggressive" form of Non-Hodgkin lymphoma, said he "laughed out loud" when he saw his "Full House" co-star in a bald cap.

John Stamos wasn't expecting the backlash that he received for putting on a bald cap to support his friend and former Full House costar Dave Coulier. "I'm so shocked," Stamos told TMZ days after sharing photos of the two that showed both men bald.

I’m embarrassed for people that they waste time on this," Stamos said of the backlash. "All I was doing was cheering up a friend."

Actor Dave Coulier is speaking out after his longtime friend and former co-star John Stamos received backlash for wearing a bald cap while shaving Coulier’s head. This month, the “Full House” stars got together to share a few laughs after Coulier publicly revealed his Stage 3 non-Hodgkin lymphoma diagnosis.