An image processing apparatus according to an embodiment includes an input unit, an identifying unit, and a display control unit. The input unit receives specification of a region of interest (ROI) included in a mammography image. The identifying unit identifies a medical image including a position substantially the same as the position of the ROI received by the input unit in an ultrasound image group acquired from a subject for whom the mammography image is captured. The display control unit performs control such that the medical image identified by the identifying unit is displayed on a display unit.
