The pill was found to reduce tumors in more than 30% of patients.
"Whether I like it or not, I think I'm a resilient survivor," Kathy Griffin said in an interview with ABC's "Nightline."
"While I certainly have some hurdles ahead, I also know that I join millions of Americans who face significant health challenges of their own."
Rush Limbaugh, 69, is battling stage 4 lung cancer after he was diagnosed in February.
Pete Alonso of the New York Mets made a video call to an 82-year-old lifelong fan recently diagnosed with terminal cancer.
A non-profit has launched a pilot program to provide lung cancer screening to the underserved, with a first stop in Brooklyn to be extended throughout New York City.