Development and external validation of a prediction model for survival in patients with resected ampullary adenocarcinoma

Alma Moekotte, Stijn van Roessel, Giuseppe Malleo, Rushda Rajak, Brett L. Ecker, Martina Fontana, Ho‐Seong Han, Mohamed Rabie, Keith Roberts, Khalid Khalil, Steven White, Stuart Robinson, Asif Halimi, Laura Zarantonello, Giuseppe Fusai, George Gradinariu, Adnan Alseidi, Morgan Bonds, Stephan B. Dreyer, Nigel B. Jamieson, Nicholas Mowbray, Bilal Al‐Sarireh, Vasileios Mavroeidis, Zahir Soonawalla, Niccolò Napoli, Ugo Boggi, Tara S. Kent, William E. Fisher, Chung Ngai Tang, Louisa Bolm, Michael G. House, Mary Dillhoff, Stephen W. Behrman, Masafumi Nakamura, Chad G. Ball, Adam C. Berger, John D. Christein, Amer H. Zureikat, Ronald R. Salem, Charles M. Vollmer, Roberto Salvia, Marc G. Besselink, Mohammad Abu Hilal, R. Al-Jarrah, Courtney E. Barrows, M. Navarro Cagigas, Eric C. H. Lai, Ulrich F. Wellner, John G. Aversa, Paxton V. Dickson, Takao Ohtsuka, Elijah Dixon, Richard Zheng, Stacy Kowalski, Mollie Freedman-Weiss