Figure 2From: Treatment and outcome of patients with metastatic NSCLC: a retrospective institution analysis of 493 patientsOverall survival according to applied lines of systemic therapy. Survival rates were calculated from date of diagnosis. Median survival significantly improved with increasing numbers of lines of systemic therapy (p < 0.001). Patients with 0–6 lines of systemic treatment had a median survival of 2.0, 5.3, 8.7, 13.0, 14.1, 21.8, and 39.1 months, respectively.Back to article page