Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left chest tube is unchanged position . No pneumothorax . Stable small left pleural effusion without reaccumulation . The left mid to lower lung opacification is slightly more prominent , likely due to re-expansion edema but superimposed infection can not be excluded . The cardiomediastinal silhouette is unchanged . No pneumothorax .
    OUTPUT:
    
1 . No interval reaccumulation of left pleural effusion . 2 . Interval increase of the left mid to lower lung opacification , likely due to re-expansion edema but superimposed infection can not be excluded .