I've lost four to Osteosarcoma.
Cora (RL Nevada), lost October 2007, age 10 1/2:
Tally (Thunder La La), lost March 2008, age 10 1/2:
Edie (Daring Reva), lost October 2012, age 13:
Dixie (Kiowa Secret Sue), lost January 2013, age 11:
All four were incredibly sweet dogs lost too soon.