A randomized multicenter Phase Ib/II study to assess the immunological effect of chemoradiation therapy (CRT) in combination with pembrolizumab compared to CRT alone in resectable or borderline resectable pancreatic cancer. Issue 2 (December 2015) - Katz, Matthew; Todd, Bauer; Varadhachary, Gauri; Acquavella, Nicolas; Petroni, Gina; Bullock, Timothy; Slingluff, Craig; Rahma, Osama