 It was not possible to safely pass a nasogastric or orogastric tube, pass the stricture and perforation and so the nasogastric tube was left right at the level where there was some stricture or narrowing or resistance. 
It was not possible to safely pass a nasogastric or orogastric tube , pass the stricture and perforation and so the nasogastric tube was left right at the level where there was some stricture or narrowing or resistance .