First and foremost, the blockages must be worked out. Only then she may have a chance at survival. You will most likely need to start with rat pinkies or fuzzies and assist feed her one per week. In a situation like this, a pinky pump would be beneficial.
She will likely only be able to get down something half the width of her widest part. Anything more would severely stress her digestive system since she hasn't eaten in so long.