Figure 1. Multivariable risk modeling and minimally invasive biomarkers can aid the screening and diagnosis of lung cancer in high-risk individuals. BMI = body mass index; LDCT = low-dose computed tomography. From: Editorial: Lung Cancer Field Cancerization: Implications for Screening by Low-Dose Computed Tomography J Natl Cancer Inst. 2017;109(7). doi:10.1093/jnci/djw328 J Natl Cancer Inst | Published by Oxford University Press 2017. This work is written by US Government employees and is in the public domain in the US. 1