It depends. The oil is high fat and the yogurt is high fat so there could be a problem. I have to say to stick with the budwig plan. The problem is that your cancer is agressive and if you play around with this and that your cancer could spread to other organs then you are in bad trouble.
If you read the Budwig plan, you will also see much about going on faith, so you need to pray and ask God to guide you. I want to give you some links to better help you. I so want you to be well.