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Comparison of early gastric cancer detection results and pathological results in group B.
| Diagnostic method | Type | Precancerous lesions | Non-precancerous lesions | Total |
|---|---|---|---|---|
| NBI combined with endoscopy | Precancerous lesions | 10 | 1 | 11 |
| Non-precancerous lesions | 1 | 38 | 39 |
