Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Possible slight hyperinflation . Heart size is normal . Aorta is minimally unfolded . The mediastinal and hilar contours are otherwise within normal limits . No CHF , focal infiltrate or effusion is identified . No pneumothorax detected . there are no acute osseous abnormalities .
    OUTPUT:
    
No acute pulmonary process identified . No evidence of pneumonia .