Fig. 3From: Value of 18F-FDG PET/CT-based radiomics model to distinguish the growth patterns of early invasive lung adenocarcinoma manifesting as ground-glass opacity nodulesThe Spearman rank correlation method was used to establish a correlation map between each preselected feature. This method integrates CT and PET images. The corresponding coefficients are shown in the heat map, where yellow and blue indicate positive and negative correlations, respectivelyBack to article page