Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Cardiac and mediastinal silhouettes are stable . No overt pulmonary edema is seen . Degenerative changes are seen at the acromioclavicular and shoulder joints , not optimally evaluated .
    OUTPUT:
    
No acute cardiopulmonary process .