Table 2. Results depending on the resection technique.
| ESD (n = 40) | Piecemeal EMR (n = 6) | Ampullectomy (n = 3) | EMR (n = 16) | |
| Center | ||||
| Lyon | 31 | 1 | 0 | 7 |
| Paris | 9 | 5 | 3 | 9 |
| Location in digestive tract | ||||
| EsophagusStomachDuodenumAmpullaryColonRectum | 619 – – 312 | 1–4–1– | –––3–– | 136–33 |
| Main diameter, mean (SD), cm | 4.5 (2.3) | 4.4 (1.4) | 1.9 (0.9) | 2.1 (1.2) |
| Area, mean (SD), cm2 | 7.3 (3.7) | 8.0 (2.0) | 3.2 (0.9) | 3.8 (2.0) |
| Purastat volume, mean (SD), mL | 3.6 (1.5) | 3.7 (1.0) | 3 (0) | 3.2 (1.4) |
| Bleeding, number (%) | 2 (5.0) | 0 (0) | 1 (33.3) | 1 |
| Hemoglobin drop-off, mean (SD), g/dL | 0.6 (0.8) | 0.6 (0.8) | 1.25 (1.2) | 0.5 (0.7) |
ESD, endoscopic submucosal dissection; EMR, endoscopic mucosal resection.