Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube in situ below the level of the medial clavicles approximately 25 mm proximal to the carina . Left - sided IJV sheath in situ with the tip of the sheath within the distal left brachiocephalic vein . The Swan - Ganz catheter has been removed . Nasogastric tube projects over the esophagus and stomach and courses out of view inferiorly . Multiple central and chest drains in situ . No pneumothorax . No pneumomediastinum . Mild pulmonary vascular congestion unchanged . Small left - sided pleural effusion which shows mild interval increase compared to previous study done yesterday . Post CABG changes are stable . Calcified granuloma projecting over the right mid lung zone and associated calcified right paratracheal lymph node unchanged .
    OUTPUT:
    
Small left - sided pleural effusion . The rest of the findings are stable .