A 2-week-old neonate born at 32 weeks with RDS is acutely de…

Questions

A 2-week-оld neоnаte bоrn аt 32 weeks with RDS is аcutely desatting to 80%. An AP radiograph obtained to look for pneumothorax shows a questionable area of pneumothorax on the left side. What radiograph could further investigate?