Demographics and Clinical Characteristics
| Characteristic | Data |
| Total patients | 15 (100%) |
| Sex | |
| Male | 10 (66.7%) |
| Female | 5 (33.3%) |
| Age (y) | 62 (59–73) |
| Body mass index (kg/m2) | 27.7 (21.6–42.7) |
| Time cohort | |
| 1 h | 6 (40%) |
| 2 h | 6 (40%) |
| 3 h | 3 (20%) |
| Endoscopy procedure | |
| Diagnostic | 1 (6.7%) |
| Piecemeal polypectomy | 3 (20%) |
| Endoscopic mucosal resection | 4 (26.6%) |
| Endoscopic submucosal resection | 6 (40%) |
| Endoscopic full-thickness resection | 1 (6.7%) |
| Adenoma size (cm) | 3.0 (1.5–5.5) |
| Histology (highest grade) | |
| Low-grade dysplasia | 8 (50%) |
| High-grade dysplasia | 5 (31.2%) |
| Adenocarcinoma | 3 (18.8%) |
Qualitative data are numbers followed by percentages in parentheses; continuous data are medians followed by ranges in parentheses.