Yes. It was her recurring back injury that made her decide.
Unfortunately, I doubt that we will be seeing here anywhere in the pro ranks. Her best finishes were a win at GP event win (Cup of a China), two Euro medals (silver, bronze) and a 6th place showing at Worlds.
Neither of those accomplishments is enough to secure her a spot in show skating.
Liashenko is not a Friend of Scott, and unlike in Cadavy's time, there is no pro competitive circuit that is televised, raising the skaters' stock for shows.