Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size appears mildly enlarged . Opacity within the right cardiomediastinal contour likely reflects prominent epicardial fat and is unchanged from the prior radiograph from ___ . Aortic knob calcifications are noted . The mediastinal and hilar contours are otherwise unremarkable . There is no pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Partially imaged are clips within the right neck .
    OUTPUT:
    
No radiographic evidence for pneumonia or pneumothorax .