'Full House' star Dave Coulier diagnosed with non-Hodgkin lymphoma. What to know about the

Dave Coulier, the actor and comedian who found fame as Uncle Joey on "Full House," has revealed he has been diagnosed with stage 3 non-Hodgkin lymphoma, a blood cancer. According to the American Cancer Society, non-Hodgkin lymphoma (NHL) is one of the most common cancers in the US, accounting for about 4% of all cancers. Here's what to know about the cancer.