Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided pleural effusion appears unchanged . Cardiomegaly is stable . Platelike atelectasis in the mid left hemi thorax and left base , are improving . Median sternotomy wires are unchanged in position , however the inferior most wire has been broken since the first postop radiograph . Left - sided chest tube remains within the basal left lung . Midline drains remain in place . Right IJ sheath appears unchanged .
    OUTPUT:
    
Right - sided pleural effusion appears unchanged .