Patients with ALK-rearranged tumors...with EML4-ALK-positive non-small-cell lung cancer (NSCLC) refractory to alectinib...received single agent crizotinib monotherapy...The overall response rate was 33.3% (3 of 9; 90% confidence interval: 9.8–65.5 and 95% confidence interval [CI]: 7.5-70.1)...One-year-overall survival rate and median survival time were 66.7% and 24.1 months, respectively.