3-Dimensional Conformal Radiation Therapy

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A process by which a dose of radiation is automatically shaped to closely conform to the entire volume of the tumor, so that surrounding normal tissue is spared and treatment toxicity is decreased.

**Synonyms:** - 3-dimensional conformal radiation therapy - 3-dimensional radiation therapy - 3D CONFORMAL RADIATION THERAPY - 3D CRT - 3D Conformal - 3D Conformal - 3D Conformal - 3D radiotherapy - 3D-CRT - Conformal Therapy - Radiation Conformal Therapy - Radiation, 3D Conformal - Three dimensional external beam radiation therapy (procedure)