Intensity-Modulated Radiation Therapy

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** An advanced form of 3-Dimensional Conformal Radiation Therapy (3D CRT) that involves the use of varying intensities of small radiation beams to produce dosage distributions that are more precise than those possible with 3D CRT.

**Synonyms:** - IMRT - IMRT - IMRT - INTENSITY-MODULATED RADIATION THERAPY - Intensity Modulated RT - Intensity modulated radiation therapy (procedure) - Intensity-Modulated Radiotherapy - Radiation, Intensity-Modulated Radiotherapy - intensity-modulated radiation therapy