Asymmetry is seen in the lower region of the right breast with overlying skin retraction (MLQ view) (a, b). CESM showing regional clumped nonmass enhancement involving a larger area than the one seen on sono-mammography (c, d). The pathology was DCIS with microinvasion. CESM,contrast-enhanced spectral mammography; DCIS, ductal carcinomas in situ; MLQ,mediolateral oblique