Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 3 .5 cm above the level of the carina . A right internal jugular central venous catheter ends in the mid SVC . An enteric catheter courses below the level of the diaphragm , extending into the first portion of the duodenum . Dense left retrocardiac opacification is concerning for infection versus aspiration , although atelectasis could have a similar appearance . Bandlike atelectasis in the left lower lung is increased . Heterogeneous opacities at the right lung base are also increased , concerning for infection / aspiration . Mild enlargement of the cardiac silhouette is not significantly changed . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . Increased bilateral lower lung heterogeneous opacities , left greater than right , concerning for infection and / or aspiration . 2 . Increased bandlike left lower lung atelectasis . 3 . Appropriately positioned lines and tubes . Findings were discussed with Dr . ___ by Dr . ___ at 4 :47 p .m . via telephone on the day of the study .