Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends 3 .7 cm above the carina . NG tube is in the stomach . There is a right PICC line in mid SVC . Diffuse bilateral lung opacities , significantly worsened between ___ to ___ , are still severe but improved since ___ . There is no pleural effusion . Cardiomegaly is moderate .
    OUTPUT:
    
1 . Tube and lines are in adequate position . 2 . Severe widespread opacities are still severe but slightly improved since ___ .