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a Representing the anterior side of the biopsy. b, d Various structures, such as fatty tissues. c Micro-calcifications (green arrows) and e small blood vessels. The arrows and the boxes in a indicate the sites of the lower-magnification images in the biopsy. Scale bars in a: 500 µm, in b, d: 100 µm, and in c, e: 50 µm. All images were reproduced with permission from Ref. [59]. (Color figure online)
