Methods Serum levels of TSGF, CEA and CYFRA21-1 in 98 patients with NSCLC in different TMN stages were determined with chromatometry, chemoluminescence and ELISA methods respectively.

• 方法分别采用生化比色定量法、化学发光法和ELISA法，序贯检测98例不同TMN分期的NSCLC患者的血清TSGF、CEA、CYFRA21-1水平。