Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The moderate right pleural effusion has continued to decrease compared with the immediate prior study from earlier on the same date , and is now small with moderate associated atelectasis . A small portion of the PleurX catheter is visible projecting over the right heart border , but the catheter course can not be traced from the chest wall . Abdominal radiography will be better able to evaluate the catheter course . A right chest wall port catheter tip ends in the right atrium . There is no pneumothorax . There is no focal consolidation , pneumothorax , or pulmonary edema . Heart size is top - normal .
    OUTPUT:
    
1 . Interval decrease in a now small right pleural effusion . 2 . Pleurx catheter course can not be identified , abdominal radiography including the lung bases could be performed for further evaluation .