Generalized equivalent field size for nonuniform fluence maps in IMRT dose calculation.

Abstract

PURPOSE The equivalent field size (EFS) method is widely used to estimate dose of nonstandard fields, such as elongated or arbitrary shaped fields, for both central axis and off axis points. However, its application is limited to fluence maps with uniform intensity. In this work, we propose a generalized EFS (GEFS) for nonuniform fluence maps and present a… (More)

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