Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 2 .6 cm from the carina . NG tube terminates in the stomach . Lung volumes remain low . Opacities in the right upper and left mid lungs are improved with persistent opacities in the left upper and right mid lungs . The heart is mildly enlarged . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Scattered bilateral atelectasis is improving . There is residual atelectasis in left upper and right mid lungs . 2 . Mild cardiomegaly is unchanged .