Fig. 2From: Differentiation of primary lung cancer from solitary lung metastasis in patients with colorectal cancer: a retrospective cohort studyReceiver operating characteristic (ROC) curves for assessing the diagnostic ability of features to discriminate primary LC from solitary LM. a ROC curves for assessing the ability of features, both alone and in combination with all features, to discriminate primary LC from solitary LM. b ROC curves for assessing the ability of the combinations using 3 of all features to discriminate primary LC from solitary LMBack to article page