Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 5 .2 cm above the carina . NG tube passes below the diaphragm and out of view . Compared with the prior radiograph , the left perihilar parenchymal opacity concerning for pneumonia is largely unchanged . No focal right lung consolidation . There is an additional component of heart failure , evidenced by an enlarged azygos vein and cephalization of the pulmonary vessels . Mild cardiomegaly is stable .
    OUTPUT:
    
1 . Unchanged left parahilar opacity , concerning for pneumonia . 2 . Mild heart failure , evidenced by an enlarged azygos vein and pulmonary vessel cephalization .