Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette largely unremarkable . There is mild right hilar prominence , not significantly changed since prior examination . A left - sided tunneled line is in stable position since the prior examination , with the tip terminating in the cavoatrial junction . Midline surgical clips are noted . No definite consolidation is identified . Again noted is prominent soft tissue in the upper mediastinum on both the left on the right , which persists on lateral view . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Upper mediastinal soft tissue density . Further evaluation with CT of the chest on a non-urgent basis is recommended .