Blue Laser Imaging-Bright Improves Endoscopic Recognition of Superficial Esophageal Squamous Cell Carcinoma

Figure 1

Representative still images: superficial flat depressed lesion　(0-IIc type) on the middle thoracic esophagus. (a) O-WLI image, (b) F-WLI image, (c) NBI image, and (d) BLI-bright image.

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