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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.