Context: Biomarkers can be used for screening lung cancer and the clinician can decide for further invasive workup for diagnosis.
Aims: To know the diagnostic sensitivity and specificity of Carcinoembryonic antigen (CEA) in Broncho Alveolar Lavage Fluid (BALF) and serum of bronchogenic carcinoma.
Settings And Design: Case-Control study was conducted in the Medical College Hospital during a period of 2 years.