Pathologic Mammography Ultrasound D-MRI MRS Complete Response No viable invasive tumour cells in both breast surgical specimen and lymph nodes Residual asymmetric density with or without microcalcifications by mammography Complete disappearance of the lesion Morphological changes: complete disappearance of an image evidence of a mass. Complete disappearance of the choline peak Kinetic data : complete change in the kinetics of the lesions from type 3 to type 1 and type 2a curves

Table 1: Definition of Pathologic and Radiologic complete response.

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