Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded and clear . There is no focal scarring in the right upper lobe is unchanged . Posterior rib deformities are stable . There is no consolidation effusion or pneumothorax . Cardiac and mediastinal contours are normal . There is no pneumoperitoneum .
    OUTPUT:
    
No acute cardiopulmonary process . No free air .