the outer shell is damaged and dont know about the inside structurs till outside is taken out. depends on how nice you want this thing to look is how the bill will flux. i will talk to Rolla tomorrow at work and i will see if he wants to do it. Rolla is A+ when it comes to this plus he is fast.
btw you have to take apart car back right quarter, maybe remove 1/4 depending on how high hit is and seam starts, drill welds, take off old panel, Repair used if you have a used panel, place on car for fitment, weld, clean welds, seam sealent, mud, prime, spray. all in all its a nice hit. but Rolla will pick the price when he gets on. till then try and find a lot of panels so there is some to choose from. http://www.car-parts.com is your friend. also if needed we can locate parts. talk to you soon