_____ is a general term for a collection of many different brain tumors which arise from undeveloped brain cells.

__________ can be of either "T-cell origin" or "B-cell origin."

_______ cancers account for about 15% of pediatric cancers and are the second most common type of cancer in children.

After cancer treatment, follow-up care is crucial. About 90% of adults receive follow-up care. On average, what percentage of childhood cancer survivors will receive follow-up care?

Wilm's Tumor affects which part of the child's body?

95% of cases of what childhood cancer are found in children under 4 years of age?

Compared to 20% of adult patients, what percentage of children show evidence that their cancer has already spread at the time of diagnosis?