Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are persistent bilateral airspace opacities , unchanged compared to the prior study . Left lower lobe atelectasis also noted . A nasogastric tube is in - situ , the tip is not visualized lies below the left diaphragm . No pleural effusion seen . No pneumothorax .
    OUTPUT:
    
Unchanged bilateral airspace opacities , nonspecific in appearance but most consistent with a multifocal pneumonia .