Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph was acquired . The Swan - Ganz catheter is present with the tip in the right main pulmonary artery at the edge of the mediastinal contour . Endotracheal tube is in the mid trachea in appropriate position . There is no focal consolidation or pneumothorax . Bibasilar opacities including a left pleural effusion are similar to the prior study . The heart remains enlarged . Median sternotomy wires are intact . Staple line is seen down the mid thorax .
    OUTPUT:
    
1 . Swan ganz catheter tip in the right main pulmonary artery at the edge of the mediastinal contour . Recommend retracting by 2 cm . 2 . No signficant change in pulmonary findings .