Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes accentuate the cardiac silhouette and the bronchovascular structures . Mediastinal and hilar contours are within normal limits . No focal consolidation concerning for pneumonia is identified . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .