A multileaf collimator (MLC) is a device used in radiation therapy, particularly in the treatment of cancer. Its primary function is to shape the radiation beam that is directed toward a tumor while minimizing exposure to surrounding healthy tissues. Here are some key features and functions of multileaf collimators: 1. **Structure**: MLCs consist of a series of thin, movable leaves made of high-density materials (often tungsten) that can be positioned to varying widths.
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