Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Lung volumes are low . There is no focal consolidation . Mild enlargement of the cardiac silhouette is not significantly changed . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . Mild multilevel degenerative changes of the thoracolumbar spine are noted .
    OUTPUT:
    
1 . Low lung volumes . No focal consolidation . 2 . Mild cardiomegaly , not significantly changed .