(Estacada, OR)  --  Police are looking for an 18-year-old from Estacada [[ ESS-tah-KAY-dah ]] who hasn't been seen since he left his home Sunday.  Authorities say Brandon Powell was last seen around 5:45 p.m. Sunday at his home in the area of Ivy Road and Lake Shore Drive.  Sandy police say Powell was wearing only blue pajama bottoms.  Anyone with information on Brandon Powell's location is asked to call 503-655-8211.