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Table 2 Time between pre and post-treatment imaging effect on IFD

From: Intra-fraction displacement of the prostate bed during post-prostatectomy radiotherapy

  Measurements 3D displacement  ≥ 3 mm 3D displacement  ≥ 5 mm Prostate bed MM
Time between pre and post-treatment CBCT ≥ 9 min (n = 111) 45 (40.5%) 9 (8.1%) 13 (11.7%)
< 9 min (n = 281) 54 (19.2%) 14 (5.0%) 20 (7.1%)
  1. Impact of time on 3D intra-fraction displacement and marginal miss for the first 46 patients
  2. 3D 3 dimensional, mm millimetre, MM marginal miss, n number of patients, CBCT cone beam computed tomography, min minutes