High energy photon beams traversing large iatrogenic air cavities can lead to surface underdosage and overdosage because of high exit dose. A water bag bolus in such external cavities is a remarkably simple and reproducible means of producing dosage homogeneity.
|Number of pages||3|
|Journal||International journal of radiation oncology, biology, physics|
|State||Published - Jan 1982|
- Tissue compensation