Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Examination is limited given cut off of lower lung fields . Since the most recent examination , the appears to have been progressive development of right basilar opacity , which in the appropriate clinical context , may represent aspiration / pneumonia . The left base is unable to be assessed . No definite pneumothorax is identified .
    OUTPUT:
    
New right basilar opacity , in the appropriate clinical context , may represent aspiration / pneumonia .