Internal radiation therapy. Typically, you will have repeated treatments across a number of days and weeks. These treatments may require a brief hospital stay. You may need anesthesia to block the awareness of pain while the radioactive sources are placed in the body. Most people feel little to no discomfort during treatment.What are the types of radiation treatment?
There are two main types of radiation therapy: external-beam radiation therapy and internal radiation therapy. Your radiation oncologist will talk with you about the type that is best for your situation and the reasons why.