Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The lungs are hyperinflated though appear clear without focal consolidation , effusion , or clear signs of pneumothorax . Heart and mediastinal contours are stable . Bony structures are intact , with old right rib cage deformity and degenerative changes at the right shoulder .
    OUTPUT:
    
No clear signs of pneumonia .