| Characteristic | |
| Patients treated with ER (n) | 279 |
| Treated with PDT (n) | 55 |
| Treated with ER+PDT (n) | 13 |
| Treated with APC (n) | 2 |
| Endoscopic resections (n) | 734 |
| ERs per patient | 2.1 |
| Piecemeal resections (n) | 100/279 (35.8%) |
| Major complications (n) (eg, major bleeding) | 2 (0.6%) |
| Minor complications (eg, minor bleeding, slight stenosis, odynophagia sunburn) | 58 (16.6%) |
| CLR (patients) | 337/349 (96.6%) |
| Time until CLR (months) | 4.2 (SD 5.6) |
| Follow-up (months) | |
| 25% percentile | 49.5 |
| 75% percentile | 80.0 |
| Mean | 63.6 |
| Median | 63.0 |
| Metachronous lesions | 74/349 (21.5%) |
| Long-term CLR after repeat ET | 330/349 (94.5%) |
APC, argon plasma coagulation; CLR, complete local remission; ER, endoscopic resection; ET, endoscopic treatment; PDT, photodynamic treatment; SD, standard deviation.