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Characteristic endoscopic retrograde cholangiography bile duct stricture findings.
| Extrahepatic PSC | Intrahepatic PSC |
|---|---|
| Type 0 (6.6%) | Type 0 (6.6%) |
| Type 1 (0%) | Type 1 (22.2%) |
| Type 2 (22.2%) | Type 2 (33.3%) |
| Type 3 (35.5%) | Type 3 (6.6%) |
| Type 4 (11.1%) |
Abbreviation: PSC, primary sclerosing cholangitis.
