In a bowl combine chicken, celery, onion, mayonnaise, Worcestershire sauce and lemon juice and mix well.
Add chicken mixture to a 4 quart or larger slow cooker.
Cover and cook on LOW for 2 hours.
Notes
You can easily turn this hot chicken salad into a yummy casserole by adding crushed potato chips or bread crumbs over the top of the chicken 15 to 20 minutes before the end of the cooking time.