Fig. 2From: 18F-fluorodeoxyglucose (FDG) PET or 18F-fluorothymidine (FLT) PET to assess early response to aromatase inhibitors (AI) in women with ER+ operable breast cancer in a window-of-opportunity studyDiagnostic and surgical measures of Ki-67 index. a FDG study b FLT study shown as days on AI therapyBack to article page