Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , no definite change is detected . Possible tiny left pleural effusion has developed in the interim . Again seen is a right - sided chest tube , with changes in the right upper zone . A small right effusion with underlying collapse / consolidation is unchanged . Abnormalities in left upper zone are similar to prior . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Essentially unchanged compared with ___ at 07 :54 . No pneumothorax detected . Right - sided pleural fluid and thickening is similar to the prior film . Diffusely coarsened vascular markings are unchanged .