Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The pulmonary edema has improved , although it is difficult to separate lung abnormalities from substantia abnormally thickened / partially calcified pleura . A new opacity in the left upper lung is concerning for pneumonia . The endotracheal tube terminates 5 .9 cm above the carina . No change in the right IJ central line and right pacer / defibrillator continuous leads , terminating in the right atrium and right ventricle .
    OUTPUT:
    
1 . New left upper lung opacity is concerning for pneumonia . 2 . Slight improvement in the pulmonary edema .