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. 2021 Apr 29;23:52. doi: 10.1186/s13058-021-01429-4

Fig. 4.

Fig. 4

Shear wave speed map for a 59-year-old female with Luminal A tumor (grade II invasive ductal carcinoma) measured a before NACT, b during the mid-course of NACT, and c after NACT but before surgery. The mean elasticity, maximum elasticity, and mass characteristic frequency are shown in d. This is a non-responder with an RCB score of 1.6. NACT, neoadjuvant chemotherapy; RCB, residual cancer burden