C. R. Ferrone, D. M. Finkelstein, S. P. Thayer, A. Muzikansky, C. Fernandez-del-castillo et al., Perioperative CA19-9 levels can predict stage and survival in patients with resectable pancreatic adenocarcinoma, J. Clin. Oncol, vol.24, pp.2897-2902, 2006.

C. L. Hallemeier, M. Botros, M. M. Corsini, M. G. Haddock, L. L. Gunderson et al., Preoperative CA 19-9 level is an important prognostic factor in patients with pancreatic adenocarcinoma treated with surgical resection and adjuvant concurrent chemoradiotherapy, Am. J. Clin. Oncol, vol.34, pp.567-572, 2011.

W. Hartwig, T. Hackert, U. Hinz, A. Gluth, F. Bergmann et al., Pancreatic cancer surgery in the new millennium: better prediction of outcome, Ann. Surg, vol.254, pp.311-319, 2011.

T. Schnelldorfer, A. L. Ware, M. G. Sarr, T. C. Smyrk, L. Zhang et al., Longterm survival after pancreatoduodenectomy for pancreatic adenocarcinoma: is cure possible?, Ann. Surg, vol.247, pp.456-462, 2008.

M. Waraya, K. Yamashita, H. Katagiri, K. Ishii, Y. Takahashi et al., Preoperative serum CA19-9 and dissected peripancreatic tissue margin as determiners of long-term survival in pancreatic cancer, Ann. Surg. Oncol, vol.16, pp.1231-1240, 2009.

T. Zacharias, D. Jaeck, E. Oussoultzoglou, A. Neuville, and P. Bachellier, Impact of lymph node involvement on long-term survival after R0 pancreaticoduodenectomy for ductal adenocarcinoma of the pancreas, J. Gastrointest. Surg, vol.11, pp.350-356, 2007.

S. Bourgouin, J. Ewald, J. Mancini, V. Moutardier, J. R. Delpero et al., Predictors of survival in ampullary, bile duct and duodenal cancers following pancreaticoduodenectomy: a 10-year multicentre analysis, J. Gastrointest. Surg, vol.19, pp.1247-1255, 2015.

O. Turrini, F. Viret, L. Moureau-zabotto, J. Guiramand, V. Moutardier et al., Neoadjuvant 5 fluorouracil-cisplatin chemoradiation effect on survival in patients with resectable pancreatic head adenocarcinoma: a ten-year single institution experience, Oncology, vol.76, pp.413-419, 2009.

D. Dindo, N. Demartines, and P. A. Clavien, Classification of surgical complications: a new proposal with evaluation in a cohort of 6336 patients and results of a survey, Ann. Surg, vol.240, pp.205-213, 2004.

C. Bassi, C. Dervenis, G. Butturini, A. Fingerhut, C. Yeo et al., Postoperative pancreatic fistula: an international study group (ISGPF) definition, Surgery, vol.138, pp.8-13, 2005.

M. N. Wente, J. A. Veit, C. Bassi, C. Dervenis, A. Fingerhut et al., Postpancreatectomy hemorrhage (PPH): an international study group of pancreatic surgery (ISGPS) definition, Surgery, vol.142, pp.20-25, 2007.

F. Klein, D. Jacob, M. Bahra, U. Pelzer, G. Puhl et al., Prognostic factors for long-term survival in patients with ampullary carcinoma: the results of a 15-year observation period after pancreaticoduodenectomy, HPB Surg, p.970234, 2014.

J. P. Duffy, O. J. Hines, J. H. Liu, C. Y. Ko, G. Cortina et al., Improved survival for adenocarcinoma of the ampulla of Vater: fifty-five consecutive resections, Arch. Surg, vol.138, 2003.

J. Klempnauer, G. J. Ridder, H. Maschek, and R. Pichlmayr, Carcinoma of the ampulla of vater: determinants of long-term survival in 94 resected patients, HPB Surg, vol.11, pp.1-11, 1998.

Q. L. Qiao, Y. G. Zhao, M. L. Ye, Y. M. Yang, J. X. Zhao et al., Carcinoma of the ampulla of Vater: factors influencing long-term survival of 127 patients with resection, World J. Surg, vol.31, pp.137-143, 2007.

J. Sakata, Y. Shirai, T. Wakai, Y. Ajioka, K. Akazawa et al., Assessment of the nodal status in ampullary carcinoma: the number of positive lymph nodes versus the lymph node ratio, World J. Surg, vol.35, pp.2118-2124, 2011.

J. S. Park, D. S. Yoon, K. S. Kim, J. S. Choi, W. J. Lee et al., Factors influencing recurrence after curative resection for ampulla of Vater carcinoma, J. Surg. Oncol, vol.95, pp.286-290, 2007.

M. Sierzega, K. Nowak, J. Kulig, A. Matyja, W. Nowak et al., Lymph node involvement in ampullary cancer: the importance of the number, ratio, and location of metastatic nodes, J. Surg. Oncol, vol.100, pp.19-24, 2009.

J. Bachmann, M. W. Buchler, H. Friess, and M. E. Martignoni, Cachexia in patients with chronic pancreatitis and pancreatic cancer: impact on survival and outcome, Nutr. Cancer, vol.65, pp.827-833, 2013.

J. S. Falconer, K. C. Fearon, J. A. Ross, R. Elton, S. J. Wigmore et al., Acute-phase protein response and survival duration of patients with pancreatic cancer, Cancer, vol.75, pp.2077-2082, 1995.

H. R. Scott, D. C. Mcmillan, L. M. Forrest, D. J. Brown, C. S. Mcardle et al., The systemic inflammatory response, weight loss, performance status and survival in patients with inoperable non-small cell lung cancer, Br. J. Cancer, vol.87, pp.264-267, 2002.

I. Ronga, F. Gallucci, F. Riccardi, and G. Uomo, Anorexia-cachexia syndrome in pancreatic cancer: recent advances and new pharmacological approach, Adv. Med. Sci, vol.59, pp.1-6, 2014.

Y. Murakami, K. Uemura, Y. Hashimoto, N. Kondo, N. Nakagawa et al., Does preoperative biliary drainage compromise the long-term survival of patients with pancreatic head carcinoma?, J. Surg. Oncol, vol.111, pp.270-276, 2015.

M. E. Martignoni, M. Wagner, L. Krahenbuhl, C. A. Redaelli, H. Friess et al., Effect of preoperative biliary drainage on surgical outcome after pancreatoduodenectomy, Am. J. Surg, vol.181, pp.52-59, 2001.

R. A. Smith, K. Dajani, S. Dodd, P. Whelan, M. Raraty et al., Preoperative resolution of jaundice following biliary stenting predicts more favourable early survival in resected pancreatic ductal adenocarcinoma, Ann. Surg. Oncol, vol.15, pp.3138-3146, 2008.

T. J. Strom, J. B. Klapman, G. M. Springett, K. L. Meredith, S. E. Hoffe et al., Comparative long-term outcomes of upfront resected pancreatic cancer after preoperative biliary drainage, Surg. Endosc, vol.29, pp.3273-3281, 2015.

K. Uemura, Y. Murakami, S. Satoi, M. Sho, F. Motoi et al., Impact of preoperative biliary drainage on long-term survival in resected pancreatic ductal adenocarcinoma: a multicenter observational study, Ann. Surg. Oncol, vol.22, issue.3, pp.1238-1246, 2015.

K. Maruthachalam, G. E. Lash, B. K. Shenton, and A. F. Horgan, Tumour cell dissemination following endoscopic stent insertion, Br. J. Surg, vol.94, pp.1151-1154, 2007.

C. Sabbagh, F. Browet, M. Diouf, C. Cosse, O. Brehant et al., Is stenting as "a bridge to surgery" an oncologically safe strategy for the management of acute, left-sided, malignant, colonic obstruction? A comparative study with a propensity score analysis, Ann. Surg, vol.258, pp.107-115, 2013.

C. Sabbagh, D. Chatelain, N. Trouillet, F. Mauvais, S. Bendjaballah et al., Does use of a metallic colon stent as a bridge to surgery modify the pathology data in patients with colonic obstruction? A case-matched study, Surg. Endosc, vol.27, pp.3622-3631, 2013.

E. M. Steinert, R. H. Schwartz, and N. J. Singh, At low precursor frequencies, the Tcell response to chronic self-antigen results in anergy without deletion, Eur. J. Immunol, vol.42, pp.2875-2880, 2012.