Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are underinflated with resultant bronchovascular crowding in the bilateral lungs . No focal consolidation concerning for pneumonia , pleural effusion , or pneumothorax is detected . The pulmonary vasculature is normal and there is no evidence of overt pulmonary edema . The cardiac silhouette is mildly enlarged but stable compared to ___ . The mediastinal and hilar contours are within normal limits . The trachea is midline .
    OUTPUT:
    
Low lung volumes without evidence of acute cardiopulmonary process .