Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends at 4 .4 cm from carina bifurcation . NG tube has sidehole in the mid gastric cavity , the tip is not visualized . Persistent bilateral heterogeneous opacification , more severe to the right , and apparently reduced for better inspiration , is due to known pneumonia . There is no pleural effusion or pneumothorax . Heart size is still mildly enlarged with mild central vein distention .
    OUTPUT:
    
Stable bilateral opacification , no sign of pleural effusion or pneumothorax .