Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval removal of the left - sided chest tube . There is no evidence of a pneumothorax . Sternotomy wires and surgical clips overlying the heart shadow are again noted . Cardiomediastinal contours remain unchanged . There is blunting of the left costophrenic angle with a small amount of pleural effusion , an overlying consolidation can not be excluded which in the proper clinical context could represent pneumonia . Lung fields are otherwise clear . Bony structures are intact .
    OUTPUT:
    
1 . Interval removal of the left - sided chest tube with no evidence of pneumothorax . 2 . Small left - sided pleural effusion , an overlying consolidation can not be excluded .