ID: 3525999 DEVELOPMENT OF CONFOCAL ENDOMICROSCOPY CRITERIA FOR EARLY SIGNET-RING CELL CARCINOMA INPATIENTS WITH HEREDITARY DIFFUSE GASTRIC CANCER SYNDROME - Pilonis, Nastazja D.; O'Donovan, Maria; Richardson, Sue; Fitzgerald, Rebecca C.; Di Pietro, Massimiliano (Gastrointestinal endoscopy, 2021)