Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is little change compared to ___ with re - demonstration of mild enlargement of cardiac silhouette . Mediastinal contour and hilar contours are unchanged with the demonstration of mild tortuosity of the thoracic aorta . A right - sided port is unchanged with tip terminating at the cavoatrial junction . Lungs are clear . Bilateral breast prostheses increase the density of lower lung fields . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormality without evidence of focal consolidation or fluid overload .