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Comparison of pre- and postoperative diagnoses
| Preoperative diagnosis | Postoperative diagnosis, n | Accuracy | Overall accuracy | |||
|---|---|---|---|---|---|---|
| LGD | HGD | ADC | ||||
| No-EUS | LGD | 21 | 2 | 6 | 72% | 78% |
| HGD | 1 | 1 | 3 | 20% | ||
| ADC | 1 | 0 | 23 | 96% | ||
| EUS | LGD | 13 | 0 | 1a | 93% | 93% |
| HGD | 0 | 1 | 1 | 50% | ||
| ADC | 0 | 0 | 11 | 100% | ||
The biopsy from this lesion was unsuitable for analysis and was subsequently diagnosed as ADC.
EUS, endoscopic ultrasound; LGD, low-grade dysplasia; HGD, high-grade dysplasia; ADC, adenocarcinoma.
