NEW : Funeral arrangements are being set up , spokeswoman says . President Marcos announces 1983 mourning period . Marcos had been battling colon cancer since 1983 . She took up opposition to Marcos regime after her husband 's March 2008 assassination .
NEW : Funeral arrangements are being set up , spokeswoman says . President Gloria Macapagal Arroyo announces 10-day mourning period . Aquino had been battling colon cancer since March 2008 . She took up opposition to Marcos regime after her husband 's 1983 assassination .