Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs were obtained . Left upper lung consolidative opacities slightly increased from ___ . Subpleural basal predominant interstitial opacities may reflect chronic interstitial changes in the setting of emphysema given the increased AP diameter on the lateral view . The heart and mediastinal structures are unchanged with dual lead pacemaker is noted .
    OUTPUT:
    
Left upper lobe consolidative opacities worsened from ___ suggesting recurrent or residual pneumonia ; however given recurrence / persistence neoplasm must also be considered . See subsequent CT for further details .