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Table 1 Patient characteristics (n = 16)

From: Helical tomotherapy for single and multiple liver tumours

Characteristics No. of patients
Age, median years (range) 68 (50-85)
Gender  
   Male 10 (62.5%)
   Female 6 (37.5%)
Primary HCC (AJCC, 6th edition)  
   I 1 (6.25%)
   II 3 (18.75%)
   III 5 (31.25%)
Metastasis liver tumour Structures (cm3) Mean ± SD (range) 7 (43.75%)
   PTV 222.77 ± 170.35 (57.75-726.32)
   Normal liver 1299.88 ± 279.03 (751.03-1776.16)
   Rt kidney 132.7 ± 50.19 (35.39-238.91)
   Lt kidney 147.62 ± 42.82 (78.54-233.17)
   Spinal cord 14.10 ± 5.52 (4.93-26.44)
Patient's tumour number  
   Single (group 1) 8(50%)
   Multiple (group 2) 8(50%)
  1. Abbreviation: HCC: Hepatocellular Carcinoma; AJCC = American Joint Committee on Cancer; PTV: Planned target volume; Rt: Right side; Lt: Left side;