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Table 2 Treatment characteristics

From: Intensity modulated or fractionated stereotactic reirradiation in patients with recurrent nasopharyngeal cancer

Treatment characteristics  
primary RT course technique  
2d 12 (71%)
3d 5 (29%)
primary RT dose (boost)  
median 66
range 50-72
primary RT dose (nodal regions)  
median 56
range 50-60
second RT course technique  
IMRT 14 (82%)
FSRT 3 (18%)
second RT course dose  
median 50,4
range 36-60
second RT PTV volume  
median 127
range 26-347
time between RT courses  
median 52
range 6-132
cumulative dose both RT courses  
median 112
range 91-132
second RT course systemic therapy  
concurrent chemotherapy 7 (41%)
concurrent immunotherapy 1 (6%)
adjuvant chemotherapy 2 (12%)
no chemotherapy 9 (53%)
  1. all doses in Gy, IMRT: intensity modulated radiotherapy, FSRT: fractionated stereotactic radiotherapy, PTV volume in ccm, time between RT courses in months, chemotherapy platin-based in all patients, immunotherapy: cetuximab