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. Author manuscript; available in PMC: 2015 Dec 7.
Published in final edited form as: Phys Med Biol. 2014 Nov 13;59(23):7457–7477. doi: 10.1088/0031-9155/59/23/7457

Fig. 1.

Fig. 1

Fig. 1

Characteristics of data set: (a) BI-RADS density categories of 231 views for the breasts with MCs, (b) subtlety ratings for the 66 malignant and 158 benign clusters. A subtlety rating of 1 corresponds to the most visible cluster.