Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube terminates 3 cm above the carina . Compared to 6 hr prior , diffuse nodular opacities have slightly increased in density . Left subclavian line terminates in the right atrium . NG tube terminates in the stomach .
    OUTPUT:
    
ET tube terminates 3 cm above the carina . Compared to 6 hr prior , diffuse nodular opacities have slightly increased in density . Findings are concerning for multifocal infection .