Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nasogastric tube passes into the stomach ; it s distal course is not delineated . A right internal jugular venous introducer catheter terminates in the mid superior vena cava . The lung volumes are low with streaky opacities at the lung bases suggesting minor atelectasis . Allowing for differences in technique , the cardiac , mediastinal and hilar contours appear stable . A very small pleural effusion is present on the left side only .
    OUTPUT:
    
No evidence of acute disease .