| ePTFE | Expanded polytetrafluoroethylene |
| E | Epithelium |
| GC | Foreign-body giant cells |
| JSP | Jejunal serosal patch |
| ERCP | Endoscopic retrograde cholangiopancreatography |
| NSAID | Non-steroidal anti-inflammatory drug |
| SD | Standard deviation |
| D | Duodenum |
| J | Jejunum |
| P | Patch of expanded polytetrafluoroethylene with graft tissue |
| M | Mucosa (or re-epithelialized mucosa) |
| Ms | Muscular |
| n.s. | Not statistically significant |
| S | Serosal |
| ST | Suture tracks |