Table 3 True negatives
From: Histologic assessment of biliary obstruction with different percutaneous endoluminal techniques
Type of tumor | Brushing | Biopsy | Balloon-brushing |
|---|---|---|---|
Sclerosing cholangitis | 10 | 4 | - |
Biliary cirrhosis | 3 | 2 | - |
Iatrogenic strictures | 3 | 3 | 4 |