Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A post-pyloric enteric tube ends in the second portion of the duodenum . New bilateral lower lobe opacities represent aspiration and possible superimposed infection . The cardiac and mediastinal contours are normal . Old right rib deformities are noted .
    OUTPUT:
    
Bilateral lower lobe opacities , new since ___ , most likely represent aspiration and possible superimposed pneumonia .