Table 4.
Comparison of the detection results of precancerous lesions and the pathological results in group B.
| Diagnostic method | Type | Precancerous lesions | Non-precancerous lesions | Total |
|---|---|---|---|---|
| NBI combined with endoscopy | Precancerous lesions | 14 | 2 | 16 |
| Non-precancerous lesions | 1 | 33 | 34 |