Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the NG tube is located subdiaphragmatically likely at the gastric antrum . A peritoneal drain is in unchanged position . Lung volumes remain somewhat low with streaky atelectasis at the right mid lung and also at the left lung base . The cardiomediastinal silhouette and hilar contours are unchanged . There is a small left pleural effusion . No pneumothorax is seen .
    OUTPUT:
    
1 . Tip of the NG tube located subdiaphragmatically likely at the gastric antrum . 2 . Left lower lobe atelectasis and small pleural effusion .