A system for processing a breast image is described. A glandular tissue contour detector (1) is arranged for detecting a contour (407) of a glandular tissue (303) represented in the breast image (310), the glandular tissue detector (1) detecting the contour of a region within the image that comprises the mammary glands of a breast (301) represented in the breast image (310).The glandular tissue contour detector (1) comprises a concave hull determiner (2) for determining a concave hull of the region to obtain the contour (407).A display unit (3) is arranged for displaying the breast image (310) with the contour (407) superimposed.
