Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement in the moderate right - sided pleural effusion . There is evidence of atelectasis in the right mid lobe . There has been slight interval increase in the small - to - moderate left - sided pleural effusion . There is a right - sided chest tube . The heart borders are obscured . There has been an interval increase in pulmonary vascular engorement . There is an right apical line parallel to the lateral aspect of the upper ribs , which may be from the scapula . There is no definite pneumothorax .
    OUTPUT:
    
No definite evidence of a pneumothorax .