You are explaining the risk of leukemia in children with Down syndrome to medical students; your discussion will include all the following statements EXCEPT

You are explaining the risk of leukemia in children with Down syndrome to medical students; your discussion will include all the following statements EXCEPT

Although the etiology of hepatoblastoma is unknown, there are many associated risk factors for development of hepatoblastoma EXCEPT

Nearly all cervical carcinomas contain human papillomavirus (HPV). Which of the following types is never associated with such malignancy?

Chemotherapy has a major role in many childhood CNS tumors. In which of the following tumors is chemotherapy not effective?

Osteosarcoma is the most common primary malignant bone tumor in children and adolescents; it has multiple subtypes and requires different modalities of treatment including surgery and chemotherapy. Of the following, the subtype of osteosarcoma which is treated by surgery alone is