Neoadjuvant Treatment versus Upfront Surgery in Resectable Pancreatic Cancer: Clinical Significance of Portal Vein and Superior Mesenteric Vein Contact and Associated Prognostic Factors. (2022) - Kim, H.S.; Han, Y.; Kang, J.S.; Kang, Y.H.; Lee, M.; Sohn, H.J.; Kim, H.; Kwon, W.; Jang, J.-Y.