Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with secondary crowding of the bronchovascular markings . There is no consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . There is deviation of the trachea at the left at the thoracic inlet . Degenerative changes are noted at the shoulders .
    OUTPUT:
    
No acute cardiopulmonary process . Deviation of the trachea to the left at the thoracic inlet raising the possibility of underlying right - sided thyroid enlargement .