Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of an endotracheal tube terminating approximately 2 .4 cm above the level of the carina . A ___ tube is noted passing through the esophagus and into the stomach , where a balloon is inflated . Lung volumes are low lead to crowding the bronchovascular structures . Interval development of dense medial right upper lobe and retrocardiac opacities . The left costophrenic angle is blunted and may reside represent focal atelectasis versus a small pleural effusion . There is no overt pneumothorax identified . The cardiac size is difficult to assess but appears mildly enlarged .
    OUTPUT:
    
1 . ETT terminating 2 .4 cm above the carina . 2 . Right upper lobe and retrocardiac opacities , new from the prior examination . Findings may represent atelectasis versus pneumonia . 3 . ___ tube passing into the stomach .