Transcript for Boy raises money to buy best friend's gravestone after cancer fight
He got there aren't certain. Exactly. Before we can tell you about this moments and these joyful tears from sand Singleton we need to go back to this time last year. When her son twelve year old KG gross defeating cancer twice in his young life and being free for six years landed back in the hospital from congestive heart failure. We pack them. Pollutants that hospital. January 7. What a long term. And everything that they KG thinking that they would give him a better quality of life it the it. Opposite he wouldn't leave the hospital again but by this time KJ sparked up a friendship with a kid from school. Kill Pakula. Who like KJ played video games and paints it. They were inseparable. Kill those visits a bright light in the dark. Yes I was sad because. I was gonna miss KJ because I love him. Because also sad because my son was losing his friend. And my friend was losing her son then. KJ's time here was over my head to increase the sentence has and in a later that the high. Eighteen mile the where's community can breed. I think it's all her. This memorial to KJ now sits in sans warrant backyard because after quitting work to be with her son. And now raising her five surviving kids she wasn't able to buy a gray stoic he jays burial plot which brings us back to this moment. The sand learning that her son's best friend. Took it upon himself to raise the cash for a headstone. Why do you think it doesn't. Or. A home. Because I didn't want his mom too go to unmarked grave. Bottle collecting odd jobs and they paint pale fund raiser later. He'll raise more than 2500. Dollars Caleb and all of his twelve years of wisdom. Showing us all the definition. Of compassion. I'm battle you know. With access to. Until that they love my. When he was the last but I really really know that they love them because even his pan beneath. Trying to. Help me.
This transcript has been automatically generated and may not be 100% accurate.