Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were provided . An IVC filter projects over the upper IVC near the level of the cavoatrial junction , which is in unchanged position , dating back to ___ . The lungs appear essentially clear of pneumonic consolidation , effusion or pneumothorax . Subtle nodularity in the left mid - to - upper lung appears stable from ___ exam . No new nodular opacities are seen compared with prior exam . Tracheobronchial tree calcification is noted . Heart size is stable and likely within normal limits . Atherosclerotic calcifications along the thoracic aorta noted . No acute bony abnormalities are seen .
    OUTPUT:
    
Stable though high position of the IVC filter . Please correlate clinically . Subtle nodules in the left upper lung appear stable since ___ .