Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the endotracheal tube is 5 .5 cm from the carina . Enteric tube tip is in the stomach . Bilateral parenchymal opacities have slightly improved on the right , unchanged on the left . This reveals tiny nodular opacities in the right midlung , which may relate to infection or nodules . These , along with the retrocardiac opacity possibly indicates multifocal infection . No large pleural effusion or pneumothorax .
    OUTPUT:
    
Slightly improved parenchymal opacity in the right lower lung field , with continued bilateral airspace opacities concerning for multifocal infection . Nodular opacities in the right mid lung are possibly related to the infectious process .