Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left anterior chest wall ICD leads project over the right atrium and right ventricle . Low lung volumes accentuate the cardiac silhouette and pulmonary vasculature . Heart size is moderately enlarged . Cardiomediastinal silhouette and hilar contours are otherwise normal . Lungs are clear . No evidence of fluid overload . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly without evidence of fluid overload . No pneumonia nor pneumothorax .