Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes . Stable elevation of the right hemidiaphragm . Right basilar opacity right lobe represent crowding of the bronchovascular markings in the setting of low lung volumes . No consolidation or effusion . No evidence for vascular congestion . The cardiac silhouette is enlarged , as on the prior examination . Postsurgical changes are seen from prior valve replacement . No acute osseous abnormality .
    OUTPUT:
    
No acute cardiopulmonary process Examination and dictation reviewed with Dr . ___ .