Fig. 3From: Superiority of NBI endoscopy to PET/CT scan in detecting esophageal cancer among head and neck cancer patients: a retrospective cohort analysisThe ROC curves of PET/CT scan and NBI endoscopy on diagnosing suspicious esophageal lesions The AUC is significantly larger for NBI endoscopy than for PET/CT scan (p < 0.001)Back to article page