Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube is seen in adequate position 5 cm above the carina . The right PICC is again seen to terminate in the mid SVC . NGT terminates in the stomach . The lungs well expanded . A retrocardiac opacity is seen , consistent with atelectatic lung and pleural effusion seen on recent CT . There is no right pleural effusion . The cardiomediastinal silhouette is mildly enlarged .
    OUTPUT:
    
1 . ETT , right PICC , and NGT in standard positions . 2 . Retrocardiac opacity , consistent with atelectatic lung and pleural effusion seen on recent CT .