Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in appropriate position , terminating 4 .1 cm above the level of the carina . An enteric tube is in place within the stomach . Confluent right hemi thorax opacities are again noted , along with retrocardiac opacities on the left . Findings could represent hemorrhagic contusions , aspiration , or pulmonary edema . No large pleural effusion or pneumothorax is identified . No displaced rib fractures are present .
    OUTPUT:
    
1 . Appropriate position of monitoring and support devices . 2 . Confluent opacities are again seen , more asymmetric on the current study as compared to the prior , with most of the opacity involving the right hemi thorax . Differential diagnosis includes pulmonary hemorrhage , aspiration , infection , much less likely asymmetric pulmonary edema . In addition retrocardiac left base opacity . 3 . No displaced rib fractures .