Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC is in stable position . Persistent right pleural effusion is again noted with some fluid within the fissure and tracking laterally . The left lung remains clear besides trace left pleural effusion seen posteriorly . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Persistent moderate right and small left pleural effusion .