Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs are clear and well inflated . No focal consolidation , effusion , or pneumothorax is seen . The cardiomediastinal silhouette is stable with an unfolded thoracic aorta redemonstrated . Imaged osseous structures are intact . There is degenerative disease at the right shoulder .
    OUTPUT:
    
No sign of pneumonia or aspiration .