Callum was treated for lymphoma at the Cancer Center at The Children's Hospital of Philadelphia (CHOP). In 2013, CHOP chose Callum to be a Childhood Cancer Awareness Month spokesperson and an ambassador for its largest annual fundraiser, the Four Seasons Parkway Run & Walk, because of he doesn't let cancer wipe the smile off his face.
Non-Hodgkin Lymphoma in Children, Hodgkin Lymphoma
Related Centers and Programs:
Cancer Center, Leukemia and Lymphoma Program