Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Mild cardiomegaly and cardiomediastinal contours are stable . Lung volumes are low . There is persistent elevation of the right hemidiaphragm . No focal consolidation , substantial pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . Low lung volumes but no focal consolidation . 2 . Stable mild cardiomegaly .