today at age 22, cameron brooke stanley is cancer-free. she remembers how robin williams cared deeply about the kids in the cast. >> he was such a real person. so when even off the set, when we weren't -- when we weren't filming, he was just trying to hang out with the kids and trying to make us forget that we were sick. >> reporter: cameron was undergoing both chemotherapy and radiation for a tumor on her kidney. williams gave her a nickname, little buddha because of her bald head. >> he didn't really act like a big star. he just acted like one of us. i mean, even during lunchtime, we would all be sitting out on a table outside, and he would run over, hey, did you try the lemonade? oh, my gosh, it's so good. >> reporter: cameron has keepsake photos of the "patch adams" shoot and this one with williams and the 12 cast members. she says there was a real