Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate prominent cardiac silhouette and minimal unfolding of the thoracic aorta . The mediastinal and hilar contours are unremarkable . Lungs are clear without pneumothorax , vascular congestion , or pleural effusion . Prominent multilevel thoracic anterior spondylosis is present .
    OUTPUT:
    
No definite evidence of acute cardiopulmonary process such as pneumonia . Stable prominent cardiac silhouette .