Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine view of the chest . Low lung volumes are noted . The lungs are grossly clear of focal consolidation or large effusion . The upper mediastinum appears slightly widened due to prominent mediastinal fat as seen on prior neck CT . Left chest wall dual - lead pacing device is identified .
    OUTPUT:
    
No evidence of consolidation based on a portable exam .