UPDATE:  1/15/13 – Yi-Chun has been found safe.  Police say Yi-Chun Chen, 88, was last seen in the area of 888 Commonwealth Ave in Boston, Mass. on Wednesday at around 1 p.m.

According to family members, Chen was wearing a long, dark green coat with fur on the hood and was carrying a gray and black bag. Police say Chen suffers from Alzheimer’s disease and is on medication.

According to police, Chen is 5’1″, with brown eyes and black hair.

Police ask that anyone with information about Chen’s whereabouts call District D-4 detectives in the South End at (617) 343-5619.