late reoccurences can occur but are unlikely if he has been in continuous
disease-free.
he should be closely followed (yearly) by his oncologist.
childhood leukemia (all) is curable in 70% of cases.
acute non-lymphoblastic leukemia (aml) is curable only in 40-50% of cases.
cure could be used if the patient has been in continuous remission for 4-5
years after diagnosis/treatment