Fig. 1From: Comparison of outcome after stereotactic ablative radiotherapy of patients with metachronous lung versus primary lung cancerSurvival analyses (Kaplan–Meier). A Overall survival, B recurrence-free survival, C metastasis-free survival, D local control, E regional control. Solid lines correspond to the stage I primary lung tumor group. Dashed lines correspond to the metachronous tumor group. Cross marks correspond to censored dataBack to article page