PATIENT-REPORTED OUTCOMES MEASURES (PROMS) IN GERIATRIC PATIENTS UNDERGOING MAJOR SURGERY FOR SOLID CANCER: 90-DAY PRELIMINARY REPORT ON 643 PATIENTS FROM THE GERIATRIC ONCOLOGY SURGICAL ASSESSMENT AND FUNCTIONAL RECOVERY AFTER SURGERY (GOSAFE) STUDY. (November 2019) - Montroni, I.; Ugolini, G.; Spinelli, A.; Jacklitsh, M.; Rostoft, S.; Van Leuween, B.; Ercolani, G.; Somasundar, P.; De Liguori Carino, N.; Saur, N.; Ferrari, G.; Ghignone, F.; et al.