Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is normal in size . The aorta is somewhat tortuous . Lung volumes are somewhat low and there is elevation of the right hemidiaphragm , which is a stable finding from ___ and causes some mild bronchovascular crowding on the right . The lungs are clear without focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Elevated right hemidiaphragm is unchanged from ___ .