Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is mildly enlarged . There is mild lingular atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . Mediastinal contours are unremarkable .
    OUTPUT:
    
Mild enlargement of the cardiac silhouette with possible lingular atelectasis . No overt pulmonary edema .