Figure 4From: Initial and cumulative recurrence patterns of glioblastoma after temozolomide-based chemoradiotherapy and salvage treatment: a retrospective cohort study in a single institutionExamples of recurrence patterns. Examples of recurrence patterns on T1-weighted magnetic resonance imaging with contrast: central (a), in-field (b), marginal (c), out-field (d), and distant recurrences (e). Red contours indicate recurrent tumors. Green and yellow lines indicate 95% isodose lines of 60 Gy and 50 Gy, respectively.Back to article page