Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable indicative of at least mild cardiomegaly . Metallic density overlying the left hilum is unchanged . The hila are otherwise unremarkable . There is no pulmonary vascular congestion or pulmonary edema . There is no focal lung consolidation . There is no pneumothorax sizable pleural effusion . Vascular stent / graft overlies the left axilla . Surgical clips seen at the thoracic inlet on the left .
    OUTPUT:
    
No acute cardiopulmonary process .