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Table 1 Clinical and pathological features

From: Selective use of postoperative neck radiotherapy in oral cavity and oropharynx cancer: a prospective clinical study

Clinical n % Pathological n %
Gender    Infiltration   
  Male 56 75   Vascular 7 9
  Female 19 25   Perineural 13 17
Tumor location    Histological grade   
  Oral cavity 58 77   G3 11 15
  Oropharynx 17 23   G4 2 3
Performance status ECOG 0-1 70 93 Resection margin   
  Close 13 17
  Infiltrated 9 12
Clinical stage    Pathological stage   
  I 4 5   I - -
  II 13 17   II - -
  III 21 28   III 24 32
  IVa 30 40   IVa 48 64
  IVb 7 9   IVb 3 4
Clinical N+ 47 63 Pathological N+ 75 100
  Extracapsular spread 31 41
  1. Median age of 62 years; range, 39–78 years.
  2. ECOG = Eastern Cooperative Oncology Group; N + = Positive lymph node.