UCP2 and cholangiocarcinoma: Table 5 shows pre- and post-resection UCP2 and 4-HNE immunoscores stratified by potential clinical, surgical, and pathological risk factors for PHLF (age > 60 years, steatosis/fibrosis, cholangiocarcinoma, neoadjuvant chemotherapy, the Pringle maneuver, intraoperative transfusion, and extent of resection).