Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new right - sided chest tube has been placed . A left - sided chest tube appears unchanged . A central venous catheter again terminates in the right atrium . There is a persistent widespread interstitial abnormality as well as at least one substantial nodule projecting over the right mid lung , as well as suspected additional ones . Streaky opacities at the left lung base are not specific but may be compatible with coinciding atelectasis . Fissures are thickened . There has been a large decrease in a right pleural effusion , now small to moderate in size . A small pleural effusion is difficult to exclude on the left . There is no pneumothorax .
    OUTPUT:
    
Marked decrease in right pleural effusion after chest tube placement ; otherwise no definite change .