Results: Of the patients who received chemoradiation therapy, 195 showed metabolic and radiologic response (69% decrease in SUVmax, 48% decrease in SUVmean). The correlation between radiologic response and metabolic response was significant either with SUVmax or SUVmean (r = .25, P = .0009; r = .15, P = .0457, respectively). Kaplan-Meier survival analysis revealed significant differences in the overall and progression-free survival probabilities between the responder and nonresponder groups, based on the EORTC criteria (both P b .001), whereas no significant difference was found when this was based on RECIST criteria (P = .058, P = .088, respectively). Conclusions: 18F-FDG PET/CT parameters are good prognostic markers of cervical cancer in patients who received concurrent chemoradiation therapy.
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