Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . The pulmonary vasculature is prominent and unchanged since prior examination . No focal consolidation is noted . There is no pneumothorax or pleural effusion . Again noted is a left - sided pacemaker with stable position of 2 leads . There is evidence of prior CABG . Median sternotomy wires are intact and well aligned . Degenerative changes are seen at the left glenohumeral and acromioclavicular joints .
    OUTPUT:
    
1 . Cardiomegaly . 2 . No pneumothorax or consolidation .