To apply for my first PR card, I am staying 2 yrs continuously entering 2 yrs ago as a visitor. I am a landed immigrant from 1994 with landing papers and US passport. My mother is 91 and I would like to visit her in US asap. After my application is made, is it risky to travel to US while I'm waiting for PR approval for a month or two?How about travel on a holiday for a week? When I re-enter Canada Should I use US passport or landing paper with say copy of my PR application and supporting documents.