I don't know for certain yet but I think the wing tank remained undamaged. A flight from LAS would have full wings and the rest in the CWT. A punctured tank(s) with blazing fuel pouring out I think the damage would be just a tad more severe!
The damage to the motor appears to be on the left hand side, mounted there is the MFP and the HMU and the main fuel feed tubing. A compressor blade departing company would not penetrate the casing, however an HPT blade departing at the disc might just have enough energy.