Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well expanded . Heart appears normal in size and configuration . Trachea is midline . Thoracic aorta appears to be tortuous . Cardiomediastinal contours are otherwise unremarkable . There is minimal platelet atelectasis over both bases . Lung fields are otherwise clear with no evidence of focal infiltrates . No pleural effusions and no pneumothorax . Bony structures are intact .
    OUTPUT:
    
Normal radiographic study of the chest .