| ADC or D | apparent diffusion coefficient |
| CVWS | within-subject coefficient of variation |
| DWI | diffusion-weighted MRI |
| DW-SE-EPI | diffusion-weighted 4-shot spin-echo echo planar imaging protocol |
| DW-SE-RAD | diffusion-weighted radially sampled spin-echo protocol |
| GEM | genetically engineered mouse |
| PDAC | pancreatic ductal adenocarcinoma |
| probability density function | |
| RC | repeatability coefficient |
| SDws | within-subject standard deviation |