Radiotherapy is the use of high energy ionizing radiation in order to stop the growth and division of cancer cells in the area where they are used. It is used as local therapy (in the area where the tumor) or locoregional therapy (when including also the nodes near the tumor).

In the case of lung cancer, external radiation is applied, ie, radiation is administered from the outside by a radiation-generating equipment (linear accelerator). The advantage of external beam radiation is not require admission to hospital or is painful for the patient, and is managed by specialists in radiation oncology.

Social relations, labor and patient’s family need not be affected by the fact be receiving this therapy. With external beam therapy radiation is not apparent at any time during or after treatment. Thus, once the daily treatment, the patient may be in contact with others, does not emit any radioactivity.

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