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Table 1 Clinical characteristics of the 40 patients with nasopharyngeal carcinoma (NPC)

From: Dosimetric benefit to organs at risk following margin reductions in nasopharyngeal carcinoma treated with intensity-modulated radiation therapy

Characteristic No. of patients (%)
Age (years)  
 Median 46
 Range 21–63
Sex  
 Male 32 (80.0)
 Female 8 (20.0)
Histology  
 WHO I 0 (0)
 WHO II/III 40 (100.0)
T categorya  
 T1 7 (17.5)
 T2 9 (22.5)
 T3 15 (37.5)
 T4 9 (22.5)
N categorya  
 N0 10 (25.0)
 N1 23 (57.5)
 N2 6 (15.0)
 N3 1 (2.5)
Clinical stagea  
 I 5 (12.5)
 II 10 (25.0)
 III 15 (37.5)
 IV 10 (25.0)
Chemotherapy  
 No 8 (20.0)
 Yes 32 (80.0)
  1. aAccording to the 7th American Joint Committee on Cancer (AJCC) staging system. WHO, World Health Organization.