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Frequency of different portal system patterns
| Patterns | Frequency |
|---|---|
| Type 1: LPV bifurcated | 67.4% (n = 31) |
| Type 1a | 80.6% (n = 25) |
| Type 1b | 16.1% (n = 5) |
| Type 1c | 3.2% (n = 1) |
| Type 2: LPV trifurcated | 15.2% (n = 7) |
| Type 2a | 42.9% (n = 3) |
| Type 2b | 42.9% (n = 3) |
| Type 2c | 14.2% (n = 1) |
| Type 3: LPV quadfurcated | 13% (n = 6) |
| Type 3a | 100% (n = 6) |
| Type 3b | |
| Type 3c | |
| Type 4: other | 4.3% (n = 2) |
LPV left portal vein
