Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The central venous catheter has been removed . A moderate left pleural effusion with associated left basilar atelectasis appears relatively unchanged . The cardiac mediastinal contours are similar with atherosclerotic calcifications noted at the aortic knob . There is no pulmonary vascular congestion , new focal consolidation , new right pleural effusion , or pneumothorax . Mild S - shaped scoliosis of the thoracic spine is again noted .
    OUTPUT:
    
No substantial interval change in appearance of moderate left pleural effusion with associated left basilar atelectasis .