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. 2018 Apr 5;13(4):e0195608. doi: 10.1371/journal.pone.0195608

Fig 2. Example of brain metastasis treated with a second of radiosurgery (SRS2).

Fig 2

Both metastasis showed an increase > 20% in the longest diameter at 9 months, one with a high cerebral blood volume ratio (rCBV = 5.2) in favor of local progression (A) and the other with low rCBV (= 0.7) in favor of radionecrosis (B).