Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . Note is made of mild right apical pleural thickening . No focal consolidations concerning for pneumonia are identified . There is no pleural effusion or pneumothorax . There is a nodular opacity overlying the left posterior 9th rib , which may correlate to the nodule seen on the prior CT . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Minimal tortuosity of the aorta , similar to prior . Otherwise , the hilar and mediastinal contours are unremarkable . No acute intrathoracic abnormalities identified .