Skip to main content
. 2020 Nov 19;20:389. doi: 10.1186/s12876-020-01534-2

Fig. 1.

Fig. 1

Visibility scores of superficial esophageal squamous cell carcinoma with NBI under less-air and standard-air conditions. a Narrow band imaging (NBI) under less-air condition: visibility score, 5. b NBI under standard-air condition: visibility score, 5. c NBI under less-air condition: visibility score, 4. d NBI under standard-air condition: visibility score, 4. e NBI under less-air condition: visibility score, 3. f NBI under standard-air condition: visibility score, 3. NBI narrow band imaging