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The figures show the frequencies of presence or absence of the T2-FLAIR mismatch sign among LrGGs with FLAIR acquired using TI shorter than 2,400 ms. The left panel shows the number of cases, and the right panel shows the frequency. The T2-FLAIR mismatch sign was positive only for IDHmt, non-CODEL astrocytomas (p = 0.0001, Fisher’s exact test).
