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. 2022 Jun 25;3(8):100370. doi: 10.1016/j.jtocrr.2022.100370

Figure 2.

Figure 2

Case 2. PTV delineated with segmentation of expected path of PHN (yellow) (left column, upper and lower panels); dosimetric distribution of the treatment plan targeting left upper lobe tumor treated with 52.5 Gy in five fractions (right column, upper and lower panels). Isodose curves displayed as a percentage of prescription dose. Windowing optimized for mediastinal structures underrepresents the true borders of the primary tumor. PHN, phrenic nerve; PTV; planning computed tomography with target volume.