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Table 4 Clinical results after chemo-radiotherapy and surgery.

From: Neo-adjuvant chemo-radiation of rectal cancer with Volumetric Modulated Arc Therapy: summary of technical and dosimetric features and early clinical experience

  TNM RA 3DC
Duration of RT [days] (for the 44/45 Gy course)   32 ± 4 [25-39] 33 ± 7 [28-56]
Downstaging: (at surgery) T 41% (7/17)* 26% (5/19)
  N 12% (2/17) 21% (4/19)
Upstaging: (at surgery) T 6% (1/17) 11% (2/19)
  N 18% (3/17) 11% (2/19)
  M 6% (1/17) 0% (0/19)
  1. * 3 patients are lost to follow-up
  2. Values are reported in % of patients scored for the specific parameter and in brackets the number of patients reporting an effect vs. the total scored).