Massuti T, Lázaro M, Isla D, Ruiz de Alda L, Gordo R, Ortega-Joaquín N, Oyagüez I A Cost Analysis of the management of CNS metastases in patients with advanced ALK+NSCLC: alectinib vs crizotinib 20th World Conference on Lung Cancer (IASLC).Barcelona. 7-10 sep 2019 POSTER