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Table 1 Factors considered in offering re-irradiation as a treatment option

From: Expert consensus on re-irradiation for recurrent glioma

  Responder number/(%)
Factor Extremely relevant Very relevant Somewhat relevant Not at all relevant
Tumor volume 5 (38) 7 (54) 1 (8) 0 (0)
Time since previous radiation therapy 6 (46) 6 (46) 1 (8) 0 (0)
Dose previously administered to organs at risk in the field 6 (46) 4 (31) 3 (23) 0 (0)
Patient performance status 5 (38) 4 (31) 4 (31) 0 (0)
Patient age 0 (0) 8 (62) 4 (31) 1 (8)
Original histology 1 (8) 4 (31) 6 (46) 2 (15)
Number of lines of previous treatment 0 (0) 5 (38) 6 (46) 2 (15)
Previous use of Bevacizumab or Bevacizumab failure 1 (8) 4 (31) 6 (46) 2 (15)
Available tissue documentation of tumor progression 1 (8) 3 (23) 7 (54) 2 (15)
Perfusion characteristics on diffusion weighted imaging (DWI) 0 (0) 6 (46) 7 (54) 0 (0)
PET avidity of the lesion 0 (0) 4 (31) 3 (23) 6 (46)