Fig. 4From: The volumetric-tumour histogram-based analysis of intravoxel incoherent motion and non-Gaussian diffusion MRI: association with prognostic factors in HER2-positive breast cancera Boxplots illustrating a comparison of MD entropy indexes between the lymph node-positive and -negative groups within HER2 positive breast cancer patients. b Receiver operating characteristic (ROC) curve for differentiating lymph node status using MD entropy for the entire tumour volumeBack to article page