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Table 1 Pathological stages of patients based on each pathological N factor

From: Sialyl Lewis X as a predictor of skip N2 metastasis in clinical stage IA non-small cell lung cancer

  Number of patients
  Pathological N0 Pathological N1 Skip N2 Non-skip N2
Pathological stage     
  IA/IB 189/31 0/0 0/0 0/0
  IIA/IIB 0/4 17/0 0/0 0/0
  IIIA 6 0 12 20