Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph demonstrates Diffuse faint symmetric opacifications ; in setting of slight interval increase size of cardiac silhoutette as well as a more prominet azygous vein , findings likely represent early fluid overload . Hilar contours are unchanged . No pleural effusion or pneumothorax identified .
    OUTPUT:
    
Faint diffuse bilateral lung opacification in setting of increased cardiomegaly and prominent central vessels suggests early fluid overload .