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Table 2 Absolute MRI tumor volume measurements and regression before treatment, at first and at final brachytherapy during radiotherapy treatment of cervical cancer

From: Consecutive magnetic resonance imaging during brachytherapy for cervical carcinoma: predictive value of volume measurements with respect to persistent disease and prognosis

Evaluation Observer 1 Observer 2
  volume (cm3) Δvolume(%) volume (cm3) Δvolume(%)
Local complete response (n:31)
 (a) MRI before treatment 33 (13–104) - 33 (11–130) -
 (b) MRI at the first BCT* 8.5 (0.4–28) 73 % (48–97) 8 (1–23) 73 % (37–95)
 (c) MRI at the final BCT* 3.7 (0–14) 88 % (75–100) 3.3 (0.5–9) 89 % (80–100)
Local residual tumor (n:4)
 (a) MRI before treatment 32 (15–44) - 28 (19–37) -
 (b) MRI at the first BCT 18 (14–23) 36 % (8–55) 16 (10–23) 39 % (21–68)
 (c) MRI at the final BCT 13 (4–15) 53 % (21–67) 11 (3–13) 55 % (28–74)
  1. *p ≤ 0.01 compared to the residual tumor group