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

Fig. 1.

Fig. 1

Flow diagram of the study population. For the pre-NACT SWE study, only 56 patient results were analyzed because the first 6 patients were scanned with a different ultrasound machine. NACT, neoadjuvant chemotherapy; SWE, shear wave elastography