have been told when diagnosed with crohns that i had a narrowing at terminal illium this was 3-4 yrs ago but after another colonoscopy in june was told rather bluntly that i have a stricture and maybe requires surgery what is the differance and as i wont see my specialist till next month have alot of questions rattling through my head so could you please tell me what they are and what sort of surgery please. thank you in advance