Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Cardiomediastinal silhouette is stable . Left chest wall single lead pacing device is again seen with lead tip in the right ventricular apex . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .