Clinical facts used in this section
Chemotherapy to Treat Cancer
US National Cancer Institute
- Chemotherapy uses medicines to kill cancer cells or slow their growth.
- It may be used to cure cancer, reduce the chance of recurrence, slow growth or relieve symptoms, depending on the diagnosis.
Radiation Therapy to Treat Cancer
US National Cancer Institute
- Radiation therapy uses high doses of radiation to damage the DNA of cancer cells and stop or slow their growth.
- Treatment may be delivered from a machine outside the body or from a source placed inside the body.
Based on patient information from US National Cancer Institute and US National Cancer Institute. Content last reviewed 11 September 2026. India-specific prices remain indicative until confirmed in a written provider quote.