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| Pre-ESD diagnosis | Pathological diagnosis of ESD resected specimen | ||
| No dysplasia or LGD | HGD | EAC | |
| LGD | 4 | 1 | 0 |
| HGD | 1 | 6 | 4 |
| EAC 1 | 0 | 2 | 14 |
ESD, endoscopic submucosal dissection; LGD, low-grade dysplasia; HGD, high-grade dysplasia; EAC, early esophageal carcinoma; EMR, endoscopic mucosal resection
2 intramucosal (T1a) EAC diagnosed on previous EMR histology (not biopsy diagnosis) were diagnosed as invasive (T1b) EAC on post-ESD histology
