Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusion , or edema . Moderate cardiomegaly is similar compared to prior . Median sternotomy wires are intact . No acute osseous abnormalities . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process .