“… 14 Veken et al who investigated the effect of mechanical ventilator-assisted DIBH reported an MHD of 1.3 Gy and a maximum LAD dose of 7.7 Gy which was significantly reduced compared with conventional surface-guided DIBH. 15 Similarly, other studies using CPAP-DIBH, conducted by Reckhow et al reported an MHD of 2.5 Gy. 18 Despite separately analyzing CPAP and DIBH, our study achieved lower dosimetric outcomes, which can be explained by the fact that our study used VMAT.…”