Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates approximately 6 .3 cm above the carina with the head relatively extended . Enteric tube projects over the stomach , tip not imaged . Right PICC is in the lower SVC . The heart is normal size and cardiomediastinal silhouette is stable . Increased heterogeneous opacification along the right heart border on ___ at 13 :21 , new from ___ at 03 :38 , has not progressed . No large effusion or pneumothorax .
    OUTPUT:
    
Subtle heterogeneous opacification along the right heart border has not progressed since the prior exam and may represent aspiration , infectious pneumonia is less likely .