Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC is again seen with tip in the upper SVC . When compared to prior , there has been interval development of a left mid-to - lower lung region of consolidation . There is also subtle opacity at the right lung base as well . Cardiac silhouette is stable in configuration . Osseous and soft tissue structures are again notable for degenerative changes at the acromioclavicular joints .
    OUTPUT:
    
New left mid-and - lower lung consolidation compatible with pneumonia in the proper clinical setting . Subtle opacity at the right lung base could represent atelectasis or developing infiltrate as well . Recommend repeat after treatment to document resolution .