Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Following removal of right chest tube , there is no definite pneumothorax . Worsening opacification of the mid and lower left hemi thorax , likely due to a combination of pleural effusion and substantial left lung collapse . The left upper lobe remain partially aerated . Right juxta hilar opacity has slightly improved . Otherwise stable appearance of the chest .
    OUTPUT:
    
No pneumothorax following right chest tube removal .