PIK3C2A and Barrett esophagus: In a perioperative laboratory study, the maximum values of CPK and CRP were 178.34 ± 77.23 IU/L and 2.45 ± 0.46 mg/dL, respectively, in the OM-RLD group, indicating a significant increase from the respective values of 128.52 ± 48.56 IU/L and 0.53 ± 0.39 mg/dL observed in the BE-RLD group (p = 0.001).