MORE IN THIS SERIES
Excitement and jitters replace treatment and IVs as new school year starts for Mayela
Read about Mayela's journey from battling leukemia at St. Jude to starting sixth grade with excitement and a bit of nervousness.
Childhood leukemia survivor prepares to pursue a medical career, wants to give back
Juan Sebastian, who ranks third in his graduating class, has been accepted to the Universidad de los Andes in Bogotá, where he will study medicine.