| EMR | Endoscopic mucosal resection |
| ESD | Endoscopic submucosal dissection |
| Sono M0 | No sonographic evidence of distant metastases |
| uT1 m/sm1 | Endosonographic definition of infiltration into the muscularis mucosae or submucosa |
| uT2 | Endosonographic definition of infiltration into the muscularis propria |
| R0 | No residual tumor |
| R1/2 | Micro-/macroscopic residual tumor |
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