Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One portable AP view of the chest . The Swan - Ganz catheter through a right internal jugular approach ends in the region of the main pulmonary artery . The left internal jugular catheter ends in the left brachiocephalic vein just before the SVC . Endotracheal tube ends 6 cm from the carina . The previously seen moderate - to - severe pulmonary edema has slightly improved . The right upper lobe parenchymal opacity is unchanged . Mild cardiomegaly is stable . Mediastinal and hilar contours are normal . No pneumothorax .
    OUTPUT:
    
1 . Slightly decreased pulmonary edema compared to most recent study , however right upper and lower lobe parenchymal opacities are more prominent and may represent pneumonia . 2 . Lines and tubes are in standard position .