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The evaluation of the intrapapillary capillary loop in NBI-magnifying images for NBI-undetectable SESCCs
| Finding | N = 12a |
|---|---|
| Intervascular background coloration | 4 (33.3) |
| Proliferation | 7 (58.3) |
| Dilation | 11 (91.7) |
| Tortuosity | 2 (16.7) |
| Change in caliber | 2 (16.7) |
| Various shapes | 3 (25.0) |
NBI, narrow-band imaging; SESCC, superficial esophageal squamous cell carcinoma.
NBI-magnifying endoscopy was performed for 12 NBI-undetectable SESCCs on another day before endoscopic resection.
