Fig. 1From: Risk factors and clinical characteristics of lung cancer in idiopathic pulmonary fibrosis: a retrospective cohort studyCumulative incidence of lung cancer development in patients with idiopathic pulmonary fibrosis using Kaplan-Meier curve. Cumulative incidences were 1.1% at 1 year, 8.7% at 3, 15.9% at 5, and 31.1% at 10 yearsBack to article page