Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tunneled right internal jugular central venous catheter ends in the right atrium , near the tricuspid valve , unchanged . Lung volumes remain low . There are new bilateral lower lung heterogeneous opacities , likely atelectasis . There is new mild interstitial pulmonary edema . The heart size is difficult to assess . Small bilateral pleural effusions are new . There is no pneumothorax .
    OUTPUT:
    
1 . New bilateral lower lung opacities , likely atelectasis , although aspiration or infection could have an identical appearance . 2 . New mild interstitial pulmonary edema . 3 . New small bilateral pleural effusions .