Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are patchy opacities at each lung base which are new since the prior radiographs . Coinciding small - to - moderate pleural effusions are likely and better depicted on the lateral view . There is a similar background coarsening of lung markings which may indicate airway inflammation or a state of chronic mild vascular congestion .
    OUTPUT:
    
New pleural effusions and patchy opacities at the lung bases , for which atelectasis or pneumonia could be considered as etiologies .