You are evaluating a 9-year-old boy child with ALL who recently develops relapse; an important statement that should be mentioned to his parents is

You are evaluating a 9-year-old boy child with ALL who recently develops relapse; an important statement that should be mentioned to his parents is

A 9-mo-old infant is recently diagnosed with bilateral retinoblastoma; examination under anesthesia reveals bilateral multifocal involvement of the retina. An important next step in the management is

Undescended testis is a risk factor for the development of which of the following tumors?

A 6-year-old male child presented with a cerebellar mass; after undergoing complete surgical resection of the mass, the histology of the mass reveals pilocytic astrocytoma. Of the following, the MOST appropriate next step in the management is

A healthy 4-year-old child has a left flank mass. Computerized tomography (CT) scan of the abdomen shows a localized renal mass. Radical nephrectomy is performed; the histology shows clear cell sarcoma of the kidney. The MOST appropriate next step in the management is