Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is low lying , terminating at the level of the carina . Lung volumes are low . Heart size is mildly enlarged . The aorta is tortuous and diffusely calcified . Hilar contours are unremarkable . The pulmonary vasculature is normal . Bibasilar airspace opacities are more pronounced on the left , likely reflective of atelectasis . No pleural effusion or pneumothorax is present . Multiple clips are demonstrated in the right upper quadrant of the abdomen .
    OUTPUT:
    
1 . Endotracheal tube is low lying , terminating at the level of the carina . Recommend withdrawal by approximately 3 - 4 cm . 2 . Low lung volumes with bibasilar opacities likely atelectasis .