Fig. 2From: Spectral CT-based radiomics signature for distinguishing malignant pulmonary nodules from benignA flow chart displaying the process of building radiomics-based model in this study. AP, arterial phase; VP, venous phase; SDCT, dual-layer Spectral Detector CT; SPSN, solitary pulmonary solid nodule; ROI, region of interestBack to article page