Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are unremarkable . Minimal bibasilar and right mid lung atelectasis noted . No focal opacification concerning for pneumonia identified . No pleural effusion or pneumothorax identified . Suggestion of pleural thickening bilaterally corresponds with extrapleural fat on prior CT . No osseous abnormality evident .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumothorax , pneumonia or aortic contour abnormality .