Comparison of MGM-FCI-MAX-derived with retrained lung cancer prediction models on the training cohort. Comparison of MGM-FCI-MAX-derived with retrained lung cancer prediction models on the training cohort. (A) ROC curves were computed using nested 10-fold cross-validation. (B) Model discrimination measured by AUC. AUC, area under the ROC curve; BMI, body mass index; Ca, cancer; ROC, receiver operating characteristics. Vineet K Raghu et al. Thorax doi:10.1136/thoraxjnl-2018-212638 Copyright © BMJ Publishing Group Ltd & British Thoracic Society. All rights reserved.