Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is interval increase in bilateral upper lobe opacities , right greater than left . Evidence of scarring is again seen with retraction of the hila bilaterally . No large pleural effusion or pneumothorax is seen . Evidence of a left - sided rib fracture is again seen , although not well evaluated . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Interval increase in bilateral upper lobe , right greater than left opacities raises concern for infectious process superimposed on chronic changes .