You are meeting parents of a 5-year-old boy; the mother is wondering about the normal sexual behavior of her child. Of the following, the sexual behavior that is considered HIGHLY unusual in this age group is

You are meeting parents of a 5-year-old boy; the mother is wondering about the normal sexual behavior of her child. Of the following, the sexual behavior that is considered HIGHLY unusual in this age group is

The least common late neurologic sequelae that may be encountered post craniospinal irradiation in a 9-year-old child with medulloblastoma is

In pediatric rhabdomyosarcoma, stages are dependent on primary site whether favorable or unfavorable. Which of the following sites of involvement is considered unfavorable?

Which of the following malignant tumors is least likely to occur in adults in comparison with children?

A 12-year-old male adolescent, recently diagnosed with Hodgkin lymphoma, shows left cervical and supraclavicular lymph node involvement and drenching night sweats. Based on Ann Arbor Classification, the patient is classified as