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Gadolinium-enhanced images (column 1), relative cerebral blood volume (rCBV) maps with color scale (column 2), and rCBV histograms (column 3) are shown in a patient with pseudoprogression (A, B) and progression (C, D) at baseline and at week 3 of chemoradiation. Additional reduction in mean rCBV was observed in the patient with progressive disease after therapy.
