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Table 1 characteristics for the patients included in this study

From: Increased IL-10 mRNA expression in tumor-associated macrophage correlated with late stage of lung cancer

characteristic   No.a(N= 63) %
Age/years(Median,range)   58 (37-76)  
Sex    
  Male 40 63.5
  Female 23 36.5
Tobacco use    
  Current 22 35
  Former 12 19
  Never 29 46
Histology    
  Adenocarcinoma 34 54
  Squamous cell carcinoma 20 32
  Othersb 9 14
Stage    
  StageI 30 48
  StageII 11 17
  StageIII 17 27
  StageIVc 5 8
Lymph node metastasis    
  N0 42 67
  N1/N2 21 33
Pleural invasion    
  Negative 43 68
  Positive 20 32
Lymphovascular invasion    
  Negative 51 81
  Positive 12 9
Histologic differentiation    
  Well/Moderate 30 48
  Poor 26 41
  not availabled 7 11
  1. a Number for all except age.
  2. b Include 2 Large cell carcinoma, 2 Carcinoid, 1 malignant clear cell sugar tumor, 1 Sarcomatoid carcinoma, and 3 malignancy , but type undetermined.
  3. cStage IV was found incidentally during the operation or only for biopsy
  4. d Include Carcinoid, malignant clear cell sugar tumor, Sarcomatoid carcinoma, multiple primary lung cancer.