Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube tip is 4 .7 cm above the carina . A right internal jugular approach catheter tip projects in the lower SVC . An enteric feeding tube courses below the diaphragm through the stomach , out of field of view . Diffuse centrally predominant asymmetrically distributed opacities appear little changed since ___ . There has been mild interval improvement in bilateral effusions , now small on the left and trace on the right . There is no pneumothorax . The cardiomediastinal and hilar contours are stable demonstrating tortuosity of the thoracic aorta and atherosclerotic calcifications . There is mild cardiomegaly . The main pulmonary artery is enlarged .
    OUTPUT:
    
No significant change since ___ .