Hmm, I think an addendum would be your best bet. Particularly if your GPA is lower then it would've been if you factored in the year abroad. Granted, I'm also commenting cause I want to see what others say! Good luck!
... />
Lastly, you can write an addendum explaining your particular situation and ... students to write a separate addendum explaining their particular school's ...
At this point you have nothing to lose by taking it. If you get a bad score just say you were super sick as an addendum on your apps. If you do well, congrats, you're done.