Figure 1.

Isodose distributions of 3D CRT (A‐1 & A‐2), ${\text{IMRT}}_{\text{NC}}$ (B‐1 & B‐2), ${\text{IMRT}}_{\text{CO}}$ (C‐1 & C‐2), and VMAT (D‐1 & D‐2) in axial view (top row) and sagittal view (bottom row), as well as dose‐volume histograms of CTV and PTV (E) and normal tissues (F). $\text{Magenta}=105\%,\text{red}=100\%,\text{green}=90\%,\text{blue}=50\%,\text{cyan}=30\%$, and $\text{yellow}=10\%$ isodose lines; GTV is contoured in red, CTV in orange, and PTV in pink.