As explained above, it can take 1-2 years for CIC to make a decision. If you decide to appeal, make sure you have strong H&C reasons for having remained outside of Canada and have evidence to back up these H&C claims (employment / financial reasons generally aren't accepted under H&C). If your spouse is in Canada and meets RO, the better option may be to give up your PR status (not appeal) and have your spouse sponsor you for PR.