Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . The lungs are clear without focal consolidation , effusion , pneumothorax . The heart and mediastinal contours are normal . Bony structures are intact . Mildly hypertrophic changes at the right distal clavicle could indicate mild arthropathy .
    OUTPUT:
    
No signs of pneumonia .