Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy and left - sided PICC line are in adequate position . Overlying right pleural effusion is unchanged . Superimposed aspiration or infection can not be excluded , but there is no new lung consolidation . Left lung is unremarkable . There is no pneumothorax .
    OUTPUT:
    
The exam is unchanged since ___ . The main finding is right overlying pleural effusion , which is stable .