Type | Description | Percent |
---|---|---|
I | Classic anatomy | 55 |
II | rLHA arising from LGA | 10 |
III | rRHA arising from SMA | 11 |
IV | Coexistence of Type II and III | 1 |
V | aLHA arising from LGA | 8 |
VI | aRHA arising from SMA | 7 |
VII | Coexistence of Type V and VI | 1 |
VIII | rRHA from SMA + aLHA from LGA or aRHA from SMA + rLHA from LGA | 2 |
IX | CHA arising from SMA | 2.5 |
X | CHA arising from the LGA | 0.5 |