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Table 1 Lesion and treatment characteristics

From: Intraoperative electron radiation therapy (IOERT) in patients with locally recurrent renal cell carcinoma

  n %   n %
Age    EBRT   
Median 61 Yes 11 65
Range 32-76 No 6 35
Gender    EBRT dose   
Male 11 65 Median 40
Female 6 35 Range 36-43,2
Time to rec.    Adj. CHT   
Median 26 Yes 2 12
Range 2-115 No 15 88
Histology    Resection margin   
Clear cell 14 82 R0 6 35
Papillary 2 12 R1 9 53
Sarcomatoid 1 6 R2 2 12
Tumor size    IORT dose   
Median 7 Median 15
Range 3-14 Range 10-20
Grading    IORT energy   
G1/2 13 76 Median 8
G3 4 24 Range 6-12
Distant met.*    IORT cone   
Yes 7 41 Median 10
No 10 59 Range 6-18
  1. Age: [years], Time to rec. : Time from surgery of primary lesion until surgery for recurrent lesion [months], Tumor Size: [cm], Distant Met: History of distant metastasis prior to or at actual treatment, EBRT: External Beam Radiation Therapy, IORT: Intraoperative Radiation Therapy, EBRT/IORT dose: [Gy], adj CHT : adjuvant Chemotherapy (actual treatment), IORT Energy: [MeV], IORT cone: [cm].