Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and tortuosity of the thoracic aorta are grossly unchanged . Heart is not enlarged . Coronary artery stents are noted . Port - A - Cath terminates in the lower SVC . Lungs are clear . There is no pleural effusion or pneumothorax . Multiple surgical clips are present in the upper abdomen .
    OUTPUT:
    
No acute intrathoracic abnormality .