Similarly, the cardiac arrival dose of the 3D-CRT plan is higher than that of VMAT: V20Gy (11.54 ± 5.83% compared to 9.49 ± 6.00%, p> 0.05), V30Gy (9.25 ± 5.56% compared to 2.13 ± 1.89%) and V40 Gy (7.54 ± 5.03% compared with 0.2 ± 0.25%).