Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Stable , moderate cardiomegaly is noted . Emphysematous changes are noted . Mildly prominent bilateral hila is suggestive of mild pulmonary congestion . There is no pleural effusion , lobar consolidation , or overt pulmonary edema identified . The descending thoracic aorta is calcified and mildly tortuous .
    OUTPUT:
    
Stable , moderate cardiomegaly . Mild emphysema without lobar consolidation .