Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ at 11 :41 a .m . , the bilateral chest tubes have been pulled . There are low inspiratory volumes . No pneumothorax is detected . Patchy opacity at the left base again noted , slightly improved . Blunting of the right greater than left costophrenic angles is also grossly unchanged . Upper zone redistribution , without CHF . Sternotomy wires and cardiomediastinal prominence again noted , unchanged .
    OUTPUT:
    
Interval removal of chest tubes . No pneumothorax is detected . Small R > L effusions are grossly unchanged .