Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminating 5 .1 cm above the carina , an orogastric tube terminating within the stomach , and a right PICC line at the upper SVC are unchanged in position . The heart size remains normal . A moderate left retrocardiac opacity is new since ___ , likely atelectasis . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . New moderate left lower lobe atelectasis . 2 . Unchanged position of ET tube , orogastric tube , and right PICC .