Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates interval placement of left chest tube with improved aeration of the left hemithorax . There is new volume loss within the right upper lobe consistent with atelectasis and concerning for mucous pluggin . There appears to be a additional right basilar opacities largely unchanged when compared to prior examination in the setting of low lung volumes . There is no pneumothorax .
    OUTPUT:
    
Interval placement of left chest tube with improved aeration of the left hemi thorax . No pneumothorax . New right upper lobe atelectasis , possibly secondary to mucous plug . These findings were communicated to Dr . ___ by Dr . ___ ___ telephone at 16 :06 on ___ at the time findings were discovered .