ARHGEF4 and neoplasm: Among PODXL, BCL7B, ARHGEF4, and ITGB1, we investigated the potential of using a combination of two proteins for prediction of prognosis in resected PDAC in comparison with each of PODXL, BCL7B, ARHGEF4, ITGB1, UICC TNM stage, age, gender, tumor size, differentiation grade, lymphatic invasion, venous invasion, and intrapancreatic nerve invasion.