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Comparison of early gastric cancer detection results and pathological results in group A.
| Diagnostic method | Type | Precancerous lesions | Non-precancerous lesions | Total |
|---|---|---|---|---|
| Ordinary white light endoscopy | Precancerous lesions | 7 | 5 | 12 |
| Non-precancerous lesions | 3 | 35 | 38 |
