Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Lungs are grossly clear . There is no large effusion or edema . Cardiomediastinal silhouette is within normal limits . Rightward deviation of the trachea at the thoracic inlet is compatible with known underlying left - sided thyroid enlargement . Surgical clips seen projecting over the thoracic inlet . Left chest wall dual lumen central venous catheter is now seen . Multiple vascular stents project over the left upper extremity and mediastinum . Severe degenerative changes noted at the shoulders bilaterally . Old healed right posterior rib fractures are also noted .
    OUTPUT:
    
No acute cardiopulmonary process .