 I. To determine the expression levels of caveolin 1 Cav-1, solute carrier family 16 monocarboxylate transporter, member 1 MCT1, translocase of outer mitochondrial membrane 20 homolog yeast TOMM20, fatty acid binding protein 4, adipocyte FABP4, hypoxia inducible factor 1, alpha subunit HIF-1 alpha and NF kappaB activating protein NFκB in pathological samples of tumors after therapy with NAC relative to samples taken at time of initial diagnosis. 