Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right paratracheal opacity likely represents prominent vascular structures and is unchanged from ___ . No new focal consolidation , effusion or pneumothorax . The hilar contours are stable . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute intrathoracic process .