Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP images of the chest . The right PICC terminates in the distal SVC . An NG tube is seen in the stomach . The lungs are well expanded . Coarse linear opacity is seen in the lung bases , which likely represents atelectasis but could also represent aspiration in the right clinical setting . Lungs otherwise no pleural effusions or pneumothorax is seen . The cardiomediastinal silhouette is enlarged , similar to prior exam .
    OUTPUT:
    
1 . NG tube in the stomach . 2 . Coarse linear opacities in the lung bases , likely representing atelectasis but could also represent aspiration in the right clinical setting .