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Characteristic of 89 patients with indeterminate bile duct lesions
| Bile duct target site | n |
| Intrahepatic | 10 |
| Hilar | 26 |
| Superior | 19 |
| Mid | 17 |
| Inferior | 15 |
| Mobile filling defect | 2 |
| Suspected disease | |
| Bile duct cancer | 58 |
| Cystic duct cancer | 2 |
| IPNB | 2 |
| IgG4-related cholangitis | 3 |
| PSC | 3 |
| Inflammatory change | 19 |
| Bile duct stone | 2 |
IPNB: Intraductal papillary neoplasm in the bile duct; PSC: Primary sclerosing cholangitis.
