Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy catheter and right approach central venous line are in unchanged expected position . Catheters overlie the midline upper abdomen . Small consolidation within the right lower lobe is unchanged . Increasing retrocardiac density is likely due to new atelectasis . No overt interstitial edema is identified . Cardiomediastinal and hilar contours appear similar to prior , allowing for differences in patient position .
    OUTPUT:
    
1 . New atelectasis in the left lower lobe . 2 . Unchanged small right basilar opacity . 3 . No overt edema .