Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC is in stable position near the superior cavoatrial junction . Left chest wall defibrillator has a single lead in the right ventricle . The lungs are normally expanded . There has been interval redistribution of moderate right and small left pleural effusions . Heart size is normal . There is mild vascular congestion . The mediastinal and hilar contours are normal .
    OUTPUT:
    
Redistribution of moderate right and small left pleural effusions likely due to patient positioning . There is mild vascular congestion .