Sandler, 47, had a phone conversation recently with Grady Lynch after the kid posted a video in which he proclaimed that he was Sandler's biggest fan and wanted to have a barbecue with him, the Hollywood Reporter said.
Family friend John Kinnear also pleaded for the actor-comedian to get in touch with Lynch (and for readers to help make this happen) in a blog post, which he updated to reveal that Sandler called Lynch directly one evening, posting a photo of the happy kid on the phone "with his hero."
In the clip, Lynch talks about how Sandler's movies made him feel better when he was going through some hard times, naming 'Grown Ups', 'Mr Deeds', 'Jack and Jill' and 'Click' as some of his favorites.
"Thanks for always making me laugh," he said.
Lynch's particular form of cancer requires a three-year treatment, his family explained in a message at the end of the video, saying they have "learned how to focus on the positive and keep laughing.