Fig. 2From: Endoscopic imaging modalities for diagnosing invasion depth of superficial esophageal squamous cell carcinoma: a systematic review and meta-analysisSummary receiver operating characteristic curves for differentiating between EP/LPM and ≥ MM (a), and EP-SM1 and ≥ SM2 (b). EP: epithelium, LPM: lamina propria, MM: muscularis mucosa, SM: submucosa, EUS: endoscopic ultrasound, ME: magnified endoscopy, Non-ME: non-magnified endoscopyBack to article page