Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Wispy opacities projecting over the posterior lower lung , possibly left lower lobe are seen which may be due to atelectasis however , consolidation due to infection is not excluded in the appropriate clinical setting . The very inferior / posterior costophrenic angles are not fully included on the lateral view however , no large pleural effusion is seen . There is no pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Wispy opacities seen in the posterior lung base , possibly the left lung base , best seen on the lateral view . While findings may relate to atelectasis , underlying consolidation due to infectious process is not excluded .