Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval chest tube removal . Small left apical pneumothorax , stable . Suggestion of small left costophrenic angle pneumothorax , similar to better seen . Sternotomy . Right IJ central line in place . Small right pleural effusion . Bibasilar opacities , likely atelectasis , improved . Shallow inspiration accentuates heart size , pulmonary vascularity .
    OUTPUT:
    
Small left pneumothorax .