umls-concept:C0006098 | skos:definition | MSH: A collective term for interstitial, intracavity, and surface radiotherapy. It uses small sealed or partly-sealed sources that may be placed on or near the body surface or within a natural body cavity or implanted directly into the tissues.,NCI: A type of radiation therapy in which radioactive material is placed inside the body, into a tumor or body cavity.,CHV: Radiation treatment using a solid or enclosed radioisotopic source on the surface of the body or at a short distance from the area to be treated,CHV: Radiation treatment using a solid or enclosed radioisotopic source on the surface of the body or at a short distance from the area to be treated,CHV: Radiation treatment using a solid or enclosed radioisotopic source on the surface of the body or at a short distance from the area to be treated,CHV: Radiation treatment using a solid or enclosed radioisotopic source on the surface of the body or at a short distance from the area to be treated,NCI: A type of radiation therapy in which radioactive materi | lld:umls |