Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are within normal limits . Multifocal predominantly linear areas of atelectasis are present in the mid and lower lungs bilaterally . No focal areas of consolidation to suggest the presence of pneumonia . Possible very small bilateral pleural effusions . Note made of small effusions on prior CT of one week earlier . Interval advancement of feeding tube , now extending at least within the duodenum , but not completely imaged on this radiograph .
    OUTPUT:
    
Multifocal atelectasis in the mid and lower lungs . Possible very small effusions .