Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to radiograph dated ___ , there appears to be improved aeration of bilateral lungs . Two pigtail catheters are seen in constant position within the left chest . Right pleural effusion with associated atelectasis appears decreased in volume , though small changes are difficult to detect allowing for changes in patient positioning . No pneumothorax is identified . An endotracheal tube is seen terminating 3 .2 cm from the level of the carina . A right PICC is identified terminating in the mid SVC . Known soft tissue air collections appear mildly improved .
    OUTPUT:
    
Improved left lung aeration .