Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aortic knob calcifications are again demonstrated . Hilar contours are normal . Ill - defined patchy opacity is demonstrated within the periphery of the right upper lung field . Findings could reflect an infectious or inflammatory process . No pleural effusion or pneumothorax is present . There are mild degenerative changes within the thoracic spine . Cervical spinal fusion hardware is again noted .
    OUTPUT:
    
Patchy ill - defined opacities within the periphery of the right upper lung field suspicious for an infectious or inflammatory process .