BY DOMINGO RAMIREZ TROPHY CLUB -- Authorities issued a statewide silver alert Tuesday for a 65-year-old Alzheimers patient who disappeared last night from her home.Nancy Joy Gonzales was seen about 8:20 p.m. Monday at an Alvord truck stop, asking for directions, but she has not been seen since that time, Trophy Club police said.Alvord is in Wise County about 35 miles from Trophy Club, police said.Gonzales was last seen at her home about 8 p.m.