Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . The lungs are grossly clear of focal consolidation based on this portable semi-upright view . There is no evidence of pneumothorax . There is no large pleural effusion . Cardiomediastinal silhouette is stable noting differences in positioning and technique . Osseous and soft tissue structures are again notable for median sternotomy wires .
    OUTPUT:
    
No acute cardiopulmonary process based on a limited portable chest x-ray .