Torrie Wydysh, MSN, BSN, RN, FNP-BC Department of Medicine - Gastrointestinal Locations Roswell Park Main Campus Call 1-800-ROSWELL Anal Colorectal Esophageal Gallbladder & Bile Duct Liver Pancreatic Stomach Cancers Treated: Anal Colorectal Esophageal Gallbladder & Bile Duct Liver Pancreatic Stomach Positions Positions Roswell Park Comprehensive Cancer Center Advanced Practice Provider - II Department of Medicine - Gastrointestinal