Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest provided . Right PICC ends at the upper and mid SVC . The Carina is difficult to visualize and the ET tube may be within 1 .5 cm of the Carina . Left lower lobe opacity is unchanged from the examination 5 hours prior . No pleural effusion or pneumothorax . Cardiomediastinal contours are normal .
    OUTPUT:
    
1 . The Carina is difficult to visualize , but the ET tube may be within 1 .5 cm of the Carina . Recommend pulling the ET tube back 2 .0 cm . 2 . Left lower lobe opacity is unchanged from the study 5 hours prior and likely represents improving pneumonia or aspiration pneumonia .