Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear lateral left base atelectasis / scarring is seen . No definite focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable . The aorta appears tortuous . No pulmonary edema is seen .
    OUTPUT:
    
Top - normal cardiac silhouette size . Mild left basilar linear atelectasis / scarring . No pulmonary edema .