My mom is having an aneurysm clipping surgery in two weeks, i wanted to know the likelyhood that she could pass away during surgery she is 48 95lbs and 5 7 she has COPD, coronary artery disease, heart disease, a 30% blockage in one of her arteries, tachycardia issues, very low blood pressure, and multiple other vascular and cariac related problems. she is also on a pretty large amount of medications, some of which she will have to stop taking for the surgery i would again, like to know how likely it is that she will make it out of surgery and survive? thank you so much