Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a single lead AICD device , with the lead projecting over the right ventricle . The cardiomediastinal silhouette is unchanged , with mild to moderate cardiomegaly . Lung volumes are low , and there is redemonstration of blunting of the right costophrenic angle and right hemidiaphragm elevation . Streaky opacities at the bilateral bases are noted . No focal consolidation is identified . No CHF , gross effusion or pneumothorax .
    OUTPUT:
    
Unchanged bibasilar opacities , suggestive of atelectasis , and right hemidiaphragm elevation with chronic blunting of the right costophrenic angle . No definite pneumonic infiltrate .