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Combined risk factors for LNM
| Variable | LNM | Positive (%) | X2 | P | |
| Positive (n=40) | Negative (n=346) | ||||
| LNM; lymph node metastasis; ESD, endoscopic submucosal dissection. | |||||
| Conformity to ESD indication | 8.479 | 0.014 | |||
| To absolute ESD indication | 0 | 40 | 0 | ||
| To expanded ESD indication | 16 | 167 | 8.7 | ||
| Non-conforming lesions | 24 | 139 | 14.7 | ||
