| RFA | radiofrequency ablation |
| MBO | malignant biliary obstruction |
| ERCP | endoscopic retrograde cholangiopancreatography |
| CCA | cholangiocarcinoma |
| B-IPMN | Biliary intraductal papillary mucinous neoplasm |
| SEMS | self-expandable metal stent. |
| RFA | radiofrequency ablation |
| MBO | malignant biliary obstruction |
| ERCP | endoscopic retrograde cholangiopancreatography |
| CCA | cholangiocarcinoma |
| B-IPMN | Biliary intraductal papillary mucinous neoplasm |
| SEMS | self-expandable metal stent. |