Predictors of Acute Esophagitis in Lung Cancer Patients Treated With Concurrent Three-Dimensional Conformal Radiotherapy and Chemotherapy

According to the receiver operating characeristic curve analysis, the 30% of esophageal volume receiving ≥50 Gy was the most statistically significant factor associated with AET Grade ≥1 and maximum analgesia (Amax). There was an association with AET Grade ≥2 but it did not achieve statistical significance (p = 0.076).