Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly decreased lung volumes . There is no focal consolidation , pleural effusion , pneumothorax , or frank pulmonary edema . The cardiac silhouette is top - normal in size . Mediastinal contours are within normal limits . No evidence for free subdiaphragmatic air .
    OUTPUT:
    
Low lung volumes without evidence for acute cardiopulmonary process .