Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear . Tortuous thoracic aorta is again demonstrated . Heart size is mildly enlarged . No pulmonary edema or pleural effusions . No evidence of pneumonia .
    OUTPUT:
    
Mild cardiomegaly and hyperinflated lungs but no pulmonary edema or pleural effusions .