children, and it who are deeply stressed, as i think young people are across the united states. and so, if you re a parent, you got a kid in some other part of the country, call them up. reporter: but peter also helped us mark the more joyful moments, too. happy new year to you, all across the country. reporter: and tonight, as we mark 13 years since his passing, so many of you still remember his final broadcast and its impact as peter revealed he had lung cancer. i ve been reminding my colleagues today, that have all been incredibly supportive, that almost 10 million americans are already living with cancer, and i have a lot to learn from them. reporter: tonight, the american lung association telling us that people are still moved by peter s words. awareness about lung cancer critically low because of the stigma. but peter helped change that. he leaves behind a tremendous legacy, they told us, and part of this certainly will be his honest approach to sharing his lung