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Parametric transfer constant (Ktrans) maps overlaid on T1-weighted images in a woman with metastatic neuroendocrine tumour treated using a novel targeted agent (a) before and (b) after one cycle of treatment. A marker lesion at the inferior right tip of the liver (arrow) shows devascularisation with significant reduction in transfer constant after treatment. (Courtesy of Keiko Miyazaki, Institute of Cancer Research, UK.)
