Trebek recorded a public service announcement about having pancreatic cancer in 2019 in order to raise awareness about the disease. He was determined to continue hosting "Jeopardy!" through treatment. WATCH THE FULL EPISODE: https://bit.ly/2JRUFeQ SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #AlexTrebek #Jeopardy #ABCNews