SERPINB3 and neoplasm: The PLNM-negative and PLNM-positive groups significantly differed in terms of parturition (p = 0.037), WBC count (p = 0.027), ALP level (p = 0.003), CA125 level (p < 0.001), CEA level (p = 0.002), SCC antigen level (p < 0.001), and maximum tumor diameter (p < 0.001).