Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . The heart is top normal in size . The mediastinal silhouette is unchanged . The lungs are mildly hyperinflated . There is no focal consolidation , pleural effusion , or pneumothorax . Degenerative changes are noted along the thoracic spine and an old rib deformity is seen on the left .
    OUTPUT:
    
1 . No radiographic evidence of an acute cardiopulmonary process . 2 . Mildly hyperinflated lungs suggestive of COPD . These findings were discussed with Dr . ___ by Dr . ___ via telephone on ___ at 4 :30 p .m . , at time of discovery .