Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . An ET tube ends 3 .0 cm above the Carina . A right PICC ends in the mid SVC . A left lower lobe opacity is unchanged from ___ No pleural effusion or pneumothorax . Hilar and cardiomediastinal contours are normal . Azygos fissure is incidentally noted .
    OUTPUT:
    
1 . An ET tube ends 3 .0 cm above the Carina . 2 . A left lower lobe opacity is improved from ___ and likely represents improving pneumonia or aspiration pneumonia .