FRAILTY ASSESSMENT IN ELECTIVE GASTROINTESTINAL ONCOGERIATRIC SURGERY: PREDICTORS OF 1-YEAR MORTALITY AND FUNCTIONAL STATUS. (November 2019) - Monacelli, F.; Giannotti, C.; Sambuceti, S.; Signori, A.; Ballestrero, A.; Romairone, E.; Scabini, S.; Caffa, I.; Nencioni, A.; Odetti, P.