Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 2 .9 cm above the carina . Left - sided PICC line ends in mid SVC . Bibasilar opacities have possibly increased minimally on the left . There is no pulmonary edema , no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . ET tube is in adequate position . 2 . Mild bibasilar opacities have minimally increased on the left side . This could represent atelectasis .