hi,so sorry you have had a bad time ,hope it all goes smoother this time x you should ring and ask,i had to change my pre op diet (awaiting bypass)from milk ,as i have gall stones which are agony if i drink milk, to a very low fat diet with unlimeted green veg and 100g of protein,plus drinks ,and 2 pices fruit a day ,im sure they would change your diet if it was a problem,good luck