Hannah told her parents she wanted to make a "commercial" to help other kids with cancer understand what's happening. On top of her mature understanding, her message at the end shows she is wise beyond her years, too.
"If you have cancer, don't worry. 'Cause I am brave and you can be brave also."
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Hannah's dad said in the YouTube description that this video exemplifies Hannah's determined attitude about fighting her cancer.
"Throughout her ordeal, she has always been very matter a fact about the entire situation," he said. "She understands what's going on and knows what's needed to fix it."
According to a fundraising page, Hannah will continue treatment this fall and her family hopes she will be cancer-free in time for a walk at the end of October.
September was Childhood Cancer Awareness Month.