Asymptomatic young adult 12 hours after placement of a nasogastric tube during cardiac surgery whose position was not checked after placement Pediatric Imaging Gastrointestinal August 17, 2025April 17, 2025 CXR AP shows the tip of the nasogastric tube to be in the left mainstem bronchus. The diagnosis was nasogastric tube malfunction with the tip of the nasogastric tube in the left mainstem bronchus. Related Published August 17, 2025April 17, 2025