Figure 3 | Scientific Reports

Figure 3

From: Pulmonary emphysema is a risk factor for radiation pneumonitis in NSCLC patients with squamous cell carcinoma after thoracic radiation therapy

Figure 3

Receiving operator characteristic (ROC) curve based on the sensitivity and specificity of pulmonary emphysema (PE) alone, and the combination of age, PE, forced vital capacity (FVC), arterial partial pressure of oxygen (PO2) and mean lung dose (MLD). (a) ROC curve of Grade ≥2 RP in non-small cell lung cancer (NSCLC); (b) ROC curve of Grade ≥3 RP in NSCLC; (c) ROC curve of Grade ≥2 RP in squamous cell carcinoma (SCC); (d) ROC curve of Grade ≥3 RP in SCC.

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