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Table 1 Main characteristics of the patients, pTNM-Classification 2017, 8th Edition

From: Predictive risk factors for lymph node metastasis in patients with resected non-small cell lung cancer: a case control study

Characteristics Number of Patients (n) Percentage
Tumor-localization
 central 53 26.2%
 peripheral 149 73.8%
Histology
 adenocarcinoma 117 57.4%
 SCCa 75 36.8%
 others 12 5.9%
Grading
In situ 2 1%
 G1 25 12.4%
 G2 95 47.0%
 G3 68 33.3%
 G4 12 5.9%
pT-category
pTis 2 1%
pT1 90 45.1%
 pT1a 10 4.9%
 pT1b 37 18.1%
 pT1c 43 21.1%
pT2 44 26.5
 pT2a 39 19.1%
 pT2b 15 7.4%
pT3 35 17.2%
pT4 23 11.3
pN-category
 pN0 126 61.8%
 pN1 33 16.2%
 pN2 45 22%
pM-category
 pM0 193 94.5%
 pM1a 5 2.5%
 pM1b 5 2.5%
 pM1c 1 0.5%
 pL-Status   
 pL0 57 28.1%
 pL1 146 71.9%
 pV-Status   
 pV0 165 81.3%
 pV1 38 18.7%
  1. aSCC Squamous cell carcinoma