Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are provided . Clips in the neck are again noted , likely reflecting prior thyroid resection . Calcified lymph nodes are noted projecting over the mediastinum . Lungs are clear without focal consolidation , effusion , or pneumothorax . Heart and mediastinal contours appear normal . Calcification along the tracheobronchial tree is noted . Bony structures appear intact .
    OUTPUT:
    
No acute intrathoracic process .