A. Brain

B. Blood

C. Lungs

D. Bones

Details About Most common cancer for kids:

Although leukemia accounts for only 3.4% of all cancer cases and less than 1% of instances in adults, it is the most frequent juvenile cancer, affecting 1 in 4,000 children annually and accounting for 28% of all childhood cancer cases. Although the exact etiology is unknown, a common belief is that it results from a random mutation in white blood cells caused by the parents.