Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minor left base retrocardiac linear atelectasis . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal with a left ventricular configuration . Mediastinal contours are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .