Integrating surface‐guided radiation therapy and continuous positive airway pressure for breast cancer: Improving reproducibility and efficacy

SGRT effectively minimized displacement-related uncertainties during breast cancer radiation therapy with and without CPAP. Although CPAP provides additional internal stabilization and its integration with SGRT increased treatment delivery time variability, the total treatment time remained comparable across all groups. These findings underscore the potential of SGRT and CPAP as complementary tools to enhance precision and safety, particularly for techniques requiring high positional accuracy.