Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube ends 3 .6 cm above the level of the carina . An enteric catheter courses below the level of the diaphragm and out of the field of view inferiorly . There is a right - sided PICC ending in the mid SVC . Mild to moderate left retrocardiac atelectasis has decreased . The lungs are otherwise clear . The heart size is normal . There is no pneumothorax . There are no pleural effusions .
    OUTPUT:
    
Decreased left retrocardiac atelectasis . Otherwise , little interval change .