Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest was obtained . Endotracheal tube has been removed with interval placement of tracheostomy tube , appearing in appropriate position . Dobbhoff terminates below the diaphragm . Left subclavian central venous catheter terminates in the mid-to - lower SVC . The heart is of normal size with stable cardiomediastinal contours . There has been interval decrease in bilateral heterogeneous opacities , with residual opacities at the upper and lower zones . Indistinct right costophrenic angle may represent a small effusion . No pneumothorax .
    OUTPUT:
    
1 . Improved pulmonary edema . Probable small right pleural effusion . 2 . Interval placement of tracheostomy tube .