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Table 1 Baseline patient and tumor characteristics

From: Effect of intrafraction adaptation on PTV margins for MRI guided online adaptive radiotherapy for rectal cancer

Patient characteristics

N = 30 (%)

Age in years (median; range)

61; 34–77

Sex

 Male

20 (66.7)

 Female

10 (33.3)

Tumor stage

 cT2

9 (30.0)

 cT3

20 (66.7)

 cT4

1 (3.3)

Nodal stage

 cN0

15 (50.0)

 cN1

11 (36.7)

 cN2

4 (13.3)

Tumor location (distance to anorectal junction)

 Lower rectum (0 to ≤ 5 cm)

22 (73.3)

 Mid rectum (> 5 to 10 cm)

6 (20.0)

 Upper rectum (> 10 cm)

2 (6.7)

Evaluable fractions (N = 150)

 CTVmeso

144 (96.0)

 GTVprim

139 (92.7)

  1. Data are displayed as numbers (%) unless indicated otherwise.