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← Childhood Cancer of Unknown Primary (CUP)

FOR PATIENTS · SOURCE READING

Radiation therapy

Source: Childhood Carcinoma of Unknown Primary Treatment (PDQ®)–Patient Version, National Cancer Institute.

Source updated: January 12, 2024 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.

Context: Treatment Option Overview / Three types of standard treatment are used:

Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. External radiation therapy uses a machine outside the body to send radiation toward the area of the body with metastatic cancer.

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Preserved source evidence · Independent clinical review pending · Not medical advice