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Comparison of bilateral MRI of the right axilla performed before and after neoadjuvant chemotherapy. (a) Doppler flow MRI before neoadjuvant chemotherapy. Yellow arrow points to a 2.6 cm pathologically enlarged right axillary lymph node. (b) Doppler flow MRI after neoadjuvant chemotherapy shows complete radiologic response. The yellow arrow points to the normal-appearing right axillary lymph node.
