treatment port

treatment port

Treatment portal Radiation oncology The mechanical opening through which a beam of therapeutic radiation is delivered–the beam impinges on a single surface area of the skin–defined by the collimated radiation beam of the device used to deliver RT; one RT region, area, or field may have > one TP converging on it. See Radiation oncology simulation, Simulation, Simulator, Therapeutic radiology treatment planning, Treatment field.
References in periodicals archive ?
In a process called simulation," you will be asked to lie very still on a table while the therapist uses a special x-ray machine to define your "treatment port." This is the exact place on your body where the treatment will be aimed.
The therapist will often mark the treatment port on your skin with tiny dots of colored, semi-permanent ink to outline the treatment area.
Treatment port: The place on the body at which the radiation beam is aimed.

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