Chee Tse was last seen leaving her house in the 1900 block of Larkin Street before 8 a.m. on Tuesday to take a trip to a casino, according to the Police Department.
Tse, whose nickname is Lan, most likely took a bus around 8 a.m. near Kearny and Clay streets to Cache Creek Casino in Brooks, Thunder Valley Casino in Lincoln or River Rock Casino in Alexander Valley.
She is an Asian woman, about 5 feet and 2 inches tall, about 110 pounds, and has short, black hair and brown eyes, police said. A photo can be obtained through the San Francisco Police Department.
Anyone with may know where she is should contact her son Henry Chui at (650) 430-1598 or the San Francisco Police Department (415) 558-5508.