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The Radiological Society of North America (RSNA)/National Institute of Standards and Technology (NIST)/International Society of Magnetic Resonance in Medicine (ISMRM) phantom used to assess the bias and reproducibility of the apparent diffusion coefficient. (a) Phantom positioned on the treatment couch. (b) The anterior coil was placed flush with the surface of the phantom to ensure reproducibility and maximize signal‐to‐noise ratio (SNR)
