Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior radiograph , the moderate right pleural effusion has decreased , now small in size . The new pleural catheter tip crosses the midline , likely positioned against the mediastinal wall . No evidence of pneumothorax or focal consolidation . Minimal left pleural effusion is unchanged . Moderate cardiomegaly persists , with persistent vascular engorgement and slightly worsened edema . The tortuous , calcified thoracic aorta and mitral annular calcifications are unchanged .
    OUTPUT:
    
1 . Interval placement of a right pleural catheter with a decreased , but persistent small right pleural effusion . 2 . Slightly worsened pulmonary edema .