Figure 5.

(a) and (b) Normalized STC index maps of patient 2. (c) Subtracted map of patient 2. (d) and (e) Normalized STC index maps of patient 9. (f) Subtracted map of patient 9. (g) and (h) Normalized STC index maps of patient 11. (i) Subtracted map of patient 11. The STC index maps in (a), (d), and (g) are obtained using the contralateral breast as reference. The STC index maps in (b), (e), and (h) are obtained using the areola regions of the contralateral breast as reference.