Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , new left Swan - Ganz catheter is seen with the tip seen either folding back into the right ventricle or passing into the left pulmonary artery . Additionally , a new endotracheal tube is identified with the tip positioned 6 .4 cm above the carina . There is unchanged appearance of substantial left retrocardiac opacification with associated pleural effusion . Cardiomegaly is unchanged . Right internal jugular central venous line terminates in the right atrium . No pneumothorax .
    OUTPUT:
    
1 . New left Swan - Ganz catheter is seen with the tip either folding back into the right ventricle or passing into the left pulmonary artery . 2 . New ETT terminates 6 .4 cm above the carina .