Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal AP upright and lateral views of the chest were obtained . Evaluation is mildly limited by overlying soft tissues . There is no focal consolidation , pleural effusion or pneumothorax . The cardiac silhouette is enlarged . Mediastinal silhouette and hilar contours are normal . No displaced rib fracture is seen .
    OUTPUT:
    
1 . Mild enlargement of the cardiac silhouette . This could be re-evaluated with repeat radiographs with PA technique and improved inspiration , if clinically indicated . 2 . Clear lungs .