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. 2020 Nov 26;109(4):880–885. doi: 10.1016/j.ijrobp.2020.11.049

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Fig. 2 — Axial computed tomography (CT) images before radiation therapy (A-D) showed extensive areas of increased attenuation in ground-glass opacities (GGO) and pulmonary consolidations, predominantly basal and peripheral (arrows); extension score was 13 and severity score was 16. Surveillance CT on day 7 (E-H images) showed radiologic improvement with disappearance of the lung consolidations with persistence of the GGO (arrows); extension score was 11 and severity score was 5.