(Portland, OR)  --  Police are asking for help in locating a Portland woman who's been reported missing.  Seventy-four-year-old Dora Ann McIntyre, who's considered medically fragile, was last seen yesterday afternoon near the eleven-thousand-500 block of Northeast Glisan Street.  Police told KOIN-TV that McIntyre is described as a white woman, five-feet-eight, 180 pounds, and was last seen wearing a black t-shirt with white flowers, blue jeans, and open-heeled sandals.  Anyone who sees Dora Ann McIntyre is asked to call 911.