Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no new lung consolidation . Mediastinal and cardiac contours are top normal with severe pectus excavatum . The lungs are hyperinflated . There is no pneumothorax or pleural effusion . Rib cartilages are heavily calcified .
    OUTPUT:
    
There is no evidence of pneumonia .