Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The central venous catheter is in unchanged position . There has been a slight interval increase in the right small pleural effusion compared to the exam from ___ . There is a moderate left pleural effusion which appears slightly improved compared to the prior exam . The left heart border is obscured by the pleural effusion . The hilar and mediastinal contours demonstrate mild vascular engorgement ; however , there is no evidence of pulmonary edema . There is no evidence of a pneumothorax .
    OUTPUT:
    
Slight interval increase in the small right pleural and slight interval decrease in the moderate left pleural effusion compared to the prior exam .