Respiratory Gating for Radiotherapy: Main Technical Aspects and Clinical Benefits

<table>The VARIAN RPM system. An infrared camera (a) illuminates a marker on which are attached two reflectors (b). The marker is placed on the patient’s abdomen. </table>

International Scholarly Research Notices

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Figure 1

Figure 1: Respiratory Gating for Radiotherapy: Main Technical Aspects and Clinical Benefits 