Accommodation of couch constraints for coplanar intensity modulated radiation therapy.

PURPOSE Three treatment couches, henceforth referred to as the standard, the variable standard and the C-arm couch, each based on a different supporting frame system, were investigated for their suitability for the delivery of a high number of coplanar beams (> or =5) as may be required for intensity-modulated radiation therapy treatments. MATERIALS AND… CONTINUE READING