Noni Novisari Soeroso, Luhur Soeroso, Tamsil Syafiuddin Abstract Background: Increased level of CEA found on adenocarcinoma and decreased of level CEA found on squamous cell lung cancer. The purpose of this study was to evaluate serum CEA levels in Non Small Cell Lung Cancer Patients at H. Adam Malik General Hospital Medan. Methods: This is […]