It's too bad she didn't call to let you know that she wouldn't be there for a session and that she couldn't see you anymore.

She must have been quite frightened, otherwise I think she would have at least offered you this courtesy.

Perhaps to gain some closure, you could mail her a letter and thank her for her help and apologize for what happened and wish her well. I don't think it would change her position on seeing you, but it might afford you some closure.