Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Study is technically limited by motion - related artifacts obscuring the lower lung fields . There are extensive bilateral upper zone opacities with air bronchograms suggestive of pneumonia , previously diagnosed at an outside hospital . Outside hospital imaging was not available for direct comparison . Left hemidiaphragm is not visualized and suggests left lower field atelectasis and / or pleural effusion .
    OUTPUT:
    
Technically limited study demonstrating bilateral upper zone pneumonia . Repeat imaging is recommended .