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Panoramic view of the histopathological shrinkage patterns and features following neoadjuvant chemotherapy. a Pathological type I showing concentric shrinkage without any surrounding lesions. b Pathological type III demonstrating shrinkage with residual multinodular lesions. c Pathological type II showing concentric shrinkage with surrounding lesions. d Pathological type IV demonstrating multiple residual carcinomas (arrows: residual carcinoma cells); hematoxylin and eosin staining
