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Table 3 Classification of each expression

From: PD-L1, FGFR1, PIK3CA, PTEN, and p16 expression in pulmonary emphysema and chronic obstructive pulmonary disease with resected lung squamous cell carcinoma

Classify of expression (%) PD-L1 FGFR1 PIK3CA PTEN p16
TC0 7 (11.9) 26 (44.1) 55 (93.2) 35 (59.3) 22 (37.3)
TC1 12 (20.3) 15 (25.4) 3 (5.1) 8 (13.6) 19 (32.2)
TC2 17 (28.8) 17 (28.8) 1 (1.7) 15 (25.4) 16 (27.1)
TC3 23 (39.0) 1 (1.7) 0 (0) 1 (1.7) 2 (3.4)
IC0 1 (1.7)     
IC1 2 (3.4)     
IC2 25 (42.4)     
IC3 31 (52.5)     
  1. PD-L1 programmed death ligand 1, FGFR1 fibroblast growth factor receptor 1, PIK3CA phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha, PTEN phosphatase and tensin homolog, TC tumor cells, IC immune cell