Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right - sided chest strain . No reaccumulation of the right - sided pneumothorax is seen . Mild pleural thickening at the right costophrenic angle . Retrocardiac opacity and air bronchograms are noted at the left lower lobe , possibly reflecting chronic atelectasis and scarring but acute infection can not be excluded . Correlation with patient 's clinical symptoms recommended .
    OUTPUT:
    
No pneumothorax seen . Left lower lobe atelectasis with possible mild bronchiectasis is likely chronic but acute infection can not be excluded . Clinical correlation recommended .