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ADCIVIM, D*, f, S0 and coefficient of determination, R2, maps of an axial slice (from left to right) using IVIM model. Large value of R2 in tumour region (shown by white arrows in panel A) indicates that the IVIM model fits well the exponential DW-MRI signal decay with respect to b-values in the region. In normal lung tissues, the values of all parameters are generally low.
