Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without consolidation , effusion , or edema . Moderate to severe cardiomegaly is similar compared to prior . Left chest wall single lead pacing device seen with lead tip at the right ventricular apex . Median sternotomy wires are intact . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process .