Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nasogastric tube terminates in the gastric cardia where makes a loop in may terminate in retrograde fashion at the gastroesophageal junction so advancing the tube somewhat may be helpful . The cardiac , mediastinal and hilar contours appear stable . Streaky opacities at the left lung base have decreased and suggest minor atelectasis . Otherwise , the lungs remain clear . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Nasogastric tube passing into the gastric cardia but advancing the tube somewhat further into the stomach is recommended for more optimal positioning .