S100P and cancer: In our study, S100P expression was significantly correlated with the clinical phenotype of gallbladder conditions (cancer vs inflammatory lesions; P ═ 0.0001), differentiation (well/moderate vs poor; P ═ 0.0491), calcium levels (P ═ 0.039), preoperative bilirubin levels (conjugated; P ═ 0.0189), and CEA marker (P ═ 0.04).