Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Loculated posterior right apical pleural fluid is seen now with likely associated air-fluid level , which may relate to recent drainage . There is persistent blunting of the right costophrenic angle overlying atelectasis there may be a trace right pleural effusion . The left lung is clear . Cardiac and mediastinal silhouettes are stable . There has been interval removal of a right - sided PICC .
    OUTPUT:
    
Persistent posterior right apical loculated pleural fluid of with probable air - fluid level , air - fluid level more conspicuous as compared to the prior study , fluid component appear similar . Chest CT would provide further assessment .