Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ the right peritracheal upper mediastinal extension of the very large goiter has not changed detectably , nor is there appreciable tracheal embarrasment . The thoracic aorta is tortuous , the heart size is top normal . There is no pulmonary vascular congestion , no edema , nor effusions nor pneumothorax . The lungs are normal volume and clear .
    OUTPUT:
    
1 . The lungs are not hyperinflated . 2 . Very large cervicothoracic goiter unchanged since ___ could be the cause of patient 's chronic cough .