Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided chest tube is again seen . There is a moderate right apical pneumothorax that is slightly larger than on the study from the prior day . The right IJ line is unchanged . There continues to be retrocardiac and right lower lobe subsegmental atelectasis .
    OUTPUT:
    
Slight increase in right apical pneumothorax .