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. 2018 Nov 20;10(11):457. doi: 10.3390/cancers10110457

Figure 2.

Figure 2

Overall survival (OS), progression free survival (PFS) and local recurrence free survival (LRFS) of patients with esthesioneuroblastoma (ENB). The presented patients (n = 13) had not been irradiated before (group A). (a) OS of patients with ENB after radiotherapy (RT) (group A). (b) PFS of patients with ENB (group A). Progression was defined as both local or distant tumor recurrence. (c) LRFS of patients with ENB (group A). Local recurrence was defined as tumor recurrence at the primary tumor site (local failure). Regional failure was not included. (d) PFS of patients with ENB after RT (group A). Comparison between photons and a bimodal radiation technique consisting of photons plus carbon ion boost radiation. PFS differences could not be calculated due to the limited number of events.