Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view , the patient in semi-upright position is compared with the next preceding similar study of ___ . During the interval , the patient has been extubated . Left - sided internal jugular approach wide - caliber line remains in unchanged position and the same holds for the right internal jugular small - caliber central venous line . Both lines terminate in the lower SVC . No pneumothorax has developed . There are no new discrete parenchymal densities seen on this portable chest examination in comparison with the previous study . Hazy diffuse densities over the bases have more the appearance of pleural effusion layering in the posterior pleural space as the patient is markedly reclined . Review of older chest examinations reveals that the patient had evidence of at least left - sided pleural effusion on previous examination of ___ . More conclusive documentation of pleural effusion could be obtained with a lateral view .
    OUTPUT:
    
No conclusive evidence for new pulmonary pathology such as aspiration .