Fig. 1. K-M survival of recurrence - free persons vs. actuarial expectations. Reprinted with permission of Elsevier Press: Reich JM, Kim JS, Asaph JW. Diminished post-lobectomy disease-free survival: screening implications. Clin Lung Cancer 2015; 16 (5): 391-97. Doi: 10.1016/jclic.2015.03.003.