Geriatric Assessment and Functional Decline in Older Patients with Lung Cancer. - Decoster, L.; Kenis, C.; Schallier, D.; Vansteenkiste, J.; Nackaerts, K.; Vanacker, L.; Vandewalle, N.; Flamaing, J.; Lobelle, J.; Milisen, K.; Grève, J.; Wildiers, H. (Lung (0341-2040), 2017)