(Portland, OR)  --  The search continues today for a missing elderly woman from northeast Portland.  Police say 89-year-old Marcine Herinck was last seen Tuesday night at her home near Northeast Glisan and Northeast Halsey streets.  Marcine's adult son tells KATU-2 he visited her home Wednesday morning and found both the front door and the garage door open.  Marcine left behind her cell phone as well as her purse and keys.  Police say she suffers from slight dementia but lives on her own.