Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of right chest tube with residual unchanged apical pneumothorax . There has been interval development of small to moderate right pleural effusion . The heart is top - normal , the other mediastinal contours are unchanged .
    OUTPUT:
    
Interval removal of right chest tube with residual unchanged apical pneumothorax . There has been interval development of moderate right pleural effusion .