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The Ochsner-ABC system
| Surgical complexity | |
|---|---|
| Group A low | LT alone, absence-moderate obesity; patent portal vein (PV), no upper abdomen surgeries (except lap cholecystectomy). |
| Group B moderate | Combined LKT, moderate-severe obesity, history of spontaneous bacterial peritonistis (SBP), previous upper abdomen operations, PV thrombosis |
| Group C high | Re-transplantation, previous hepatobiliary or foregut surgery, PV cavernous transformation. |
