Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Allowing for differences in technique , the cardiac , mediastinal and hilar contours are probably unchanged . Irregular pulmonary architecture in the upper lungs is suggestive of underlying obstructive pulmonary disease . Even allowing for differences in technique , opacification of the right lower lobe , though vague , appears more prominent and is concerning for superimposed pneumonia . There is no pleural effusion or pneumothorax . The chest is hyperinflated .
    OUTPUT:
    
Suspicion for pneumonia in the right lower lobe .