Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is in appropriate position , 4 cm above the carina . The right PICC line is unchanged . Right lateral rib fractures are similar in appearance to prior . The hemidiaphragms and left heart border are better delineated . There is decreased bilateral alveolar opacities . The heart size appears smaller .
    OUTPUT:
    
1 . Endotracheal tube is appropriately positioned . 2 . Improving pulmonary edema .