Fig. 1

Immunohistochemical expression of histone deacetylase 6 (A before neoadjuvant chemotherapy [NAC]; B, after NAC) and programmed death ligand-1 (C before NAC; D after NAC).

Immunohistochemical expression of histone deacetylase 6 (A before neoadjuvant chemotherapy [NAC]; B, after NAC) and programmed death ligand-1 (C before NAC; D after NAC).