Abstract: The application provides methods of prognosing, diagnosing, screening and classifying lung cancer patients into poor survival groups or good survival groups. A number of altered genomic regions have been identified that distinguish subtype of lung adenocarcinoma (ADC), specifically between bronchioloalveolar carcinoma (BAC) and invasive ADC with BAC features (AWBF), and genes and biomarkers whose expression are altered in individuals with pulmonary ADC according to different survival outcomes. The amplification and/or deletion of these genomic regions, and/or the biomarker expression profiles can be used to classify patients with ADC into a BAC group with excellent survival outcome, or an invasive ADC with BAC features group with higher risk of developing metastatic recurrence and poorer survival outcome. The application also includes kits for use in the methods of the application.