Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain relatively hyperinflated . Subtle patchy opacity projecting over the lateral right mid - to - lower lung , approximately at the level of the posterior eighth rib on the frontal view . Non-specific , but a small focus of infection is not excluded , nor is an underlying pulmonary nodule . The left lung is clear . There is no pleural effusion or pneumothorax . The aorta is calcified and tortuous . The cardiac silhouette is mildly enlarged .
    OUTPUT:
    
Subtle patchy opacity in the lateral right mid - to - lower lung could represent a focus of infection , underlying pulmonary lesion not excluded . Recommend followup to resolution , non-urgent chest CT .