Tommy Chong, one half of the lengendary duo “Cheech and Chong,” has opened up about his battle with Prostate cancer. Chong was diagnosed with the cancer last month and announced that he is in a slow, stage one. He believes that his stint in prison made his health worse and that the cancer first showed up when he was in prison eight years ago. Chong also said that he’s using marijuana to help him battle the cancer. Read more below.