Fig. 2From: Predicting response to neo-adjuvant chemotherapy and assessment of residual disease in breast cancer using contrast-enhanced spectral mammography: a combined qualitative and quantitative approachDifferent cases showing baseline enhancement patterns and post NAC shrinkage patterns. a Solitary lesion showing type 1 concentric shrinkage. b Grouped lesion showing type 2 concentric shrinkage. c Separated lesion showing type 3 shrinkage. d Replaced lesion showing type 4 shrinkageBack to article page