Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or frank pulmonary edema . Minimal , linear right lower lobe atelectasis is again seen . The patient is status post median sternotomy and CABG . Mild cardiomegaly is unchanged . Aortic calcifications are again noted . Increased elevation of the right hemidiaphragm may be secondary to increased lordotic positioning .
    OUTPUT:
    
Stable , mild cardiomegaly . No evidence of acute cardiopulmonary process .