Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A supine frontal chest radiograph demonstrates low lung volumes with increased prominence of the cardiac silhouette and bronchovascular crowding . Even allowing for this , the heart is likely at least mildly enlarged . No definite focal consolidation , pleural effusion , or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Low lung volumes , with likely mild cardiomegaly . No focal consolidation identified .