VIDEO : Alex Trebek Gives Health Update Regarding Stage 4 Pancreatic Cancer

America's favorite game show host has shared a hopeful health update. Alex Trebek shared with reporters that he is responding well to treatment. CNN reports that the 78-year-old said he is in "near remission" according to his doctors. Trebek told reporters; "The doctors said they hadn't seen this kind of positive result in their memory ... some of the tumors have already shrunk by more than 50 percent." The longtime "Jeopardy!" host announced in March that he had been diagnosed with stage 4 pancreatic cancer.