and fight. subject 2: it doesn't feel good because you can't play outside with other children. subject 3: as a parent, it is your job to protect your family. but here is something that i cannot do. i cannot fix this. i don't know if my daughter is going to be able to walk. i don't know if she's going to make it till tomorrow. [music playing] interviewer: you can join the battle to save lives by supporting st. jude children's research hospital. families never receive a bill from st. jude for treatment, travel, housing, or food so they can focus on helping their child live. subject 4: childhood cancer, there's no escaping it. but st. jude is doing the work, continually researching towards cures, giving more than just my child a chance at life. interviewer: please, call or go online right now