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Table 1 Patient and tumor characteristics

From: Analysis of motion of the rectum during preoperative intensity modulated radiation therapy for rectal cancer using cone-beam computed tomography

Characteristics Number Rate
Age (y)
       Median 66
       Range 44-85
Distance from AV
       Median 5 cm
       Range 0-12 cm
Rectal volume on planning CT
       Median 70 cc
       Range 43-199 cc
Bladder volume on planning CT
       Median 177 cc
       Range 44-537 cc
Sex
  Male 23 72%
  Female 9 28%
Tumor
  1/4 Circumference 3 9%
  1/3 Circumference 5 16%
  1/2 Circumference 15 47%
  2/3 Circumference 3 9%
  3/4 Circumference 1 3%
  Whole Circumference 5 16%
Location
  Ra-Rb 6 19%
  Rb-Ra 1 3%
  Rb 17 55%
  Rb-Rp 5 17%
  Rb-Ra-Rp 2 6%
cT Stage
  cT2 1 3%
  cT3 23 72%
  cT4 7 22%
  cTx 1 3%
pT Stage
  pT0 5 16%
  pT1 2 6%
  pT2 9 28%
  pT3 10 31%
  pT4 4 13%
  pTx 2 6%