A single institution's 26-year experience with nonfunctional pancreatic neuroendocrine tumors: A validation of current staging systems and a new prognostic nomogram

Trevor A. Ellison, Christopher L. Wolfgang, Chanjuan Shi, John L. Cameron, Peter Murakami, Liew Jun Mun, Aatur D. Singhi, Toby C. Cornish, Kelly Olino, Zina Meriden, Michael Choti, Luis A. Diaz, Timothy M. Pawlik, Richard D. Schulick, Ralph H. Hruban, Barish H. Edil