Table 2.
Miami criteria
| Tumoural bile duct | Normal bile duct |
|---|---|
| Thick white bands (>20 µm) | Vessels <20 µm |
| Thick dark bands (>40 µm) | Reticular network of thin dark branching bands (<20 µm) |
| Dark clumps | Light grey background |
| Epithelium |
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