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The VOI-averaged FLAIR-ASE signal across various VOIs for five patients with brain tumors. The VOIs are contra-GM, nonenhancing, edema, enhancing, and necrosis. However, not all VOIs are relevant to each tumor type. Error bars represent ± the standard deviation of the signal over the VOI. VOI: volume of interest; contra-GM: contralateral gray matter; FLAIR-ASE: Fluid-attenuated inversion recovery–asymmetric spin echo.
