Fig. 4From: Construction and validation of a predictive model of invasive adenocarcinoma in pure ground-glass nodules less than 2 cm in diameterROC curves of nomograms predicting IAC for pGGN ≤ 2 cm in the training and validation groups. ROC, receiver operating characteristic; AUC, area under the ROC curve; IAC, invasive adenocarcinoma; pGGN, pure ground glass noduleBack to article page