CEACAM5 and small cell lung carcinoma: NSCLC患者中,TPS与CEA无相关性(rs=-0.039, P=0.779),TPS与CYFRA21-1无相关性(rs=0.183, P=0.312),CEA与CYFRA21-1无相关性(rs=0.143, P=0.298);SCLC患者中,TPS、CEA无相关性(rs=0.221, P=0.336),TPS与Pro-GRP间无相关性(rs=-0.374, P=0.095),Pro-GRP与CEA无相关性(rs=-0.157, P=0.496)。