Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph obtained . Port - A - Cath resides over the left chest wall with left IJ access and tip in the region of the SVC . There is a large left pleural effusion with associated compression of the left mid-to - lower lung . The right lung is clear . Heart size can not be assessed . Mediastinal contour is normal . The imaged osseous structures appear intact . There is a sclerotic appearance of the right third rib concerning for metastatic disease .
    OUTPUT:
    
Large left pleural effusion , appears loculated , with associated compressive atelectasis in the left mid-to - lower lung . Sclerotic metastasis in the right third rib .