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Table 2 Treatment characteristics

From: Intraoperative radiation therapy for the treatment of recurrent retroperitoneal and pelvic tumors: a single-institution analysis

  N = 44 %
IORT indication
 Pelvic recurrence 22 50%
 Retroperitoneal recurrence 22 50%
Resection
 R0 36 88%
 R1 08 12%
IORT device
 Electron (IOERT) 43 97%
 HDR 01 3%
IOERT dose
 Median (first-line EBRT) 15 Gy (range:10–21 Gy)  
 Median (no first-line EBRT) 12 Gy (range: 9–15 Gy)  
IOERT energy
 Median 9 MeV (range: 6–15 MeV)  
Association with adjuvant ebrt
 Yes 17 38.6%
 No 27 61.4%
Association with chemotherapy
 Yes 11 25%
 No 33 75%
  1. Legend: EBRT External beam radiation therapy, IOERT Intraoperative electron radiation therapy