Cheesy Chicken-Corn Chowder

2 skinless chicken breasts halves(I use with bone for more flavor)
1/4 C. onion, chopped
1/4 C. celery, chopped
1 C. water
1 can cream of chicken soup
1 C. frozen corn
1/2 C. milk
1/2 C. cheddar, shredded

In a medium saucepa combine chicken, onions, celery, and water. Bring to boil then reduce heat. Simmer, covered, for about 15-20 minutes or until chicken is done. Remove chicken and reserve cooking liquid.
When cool, chop chicken and discard bone. Return to chicken to mixture in saucepan; stir in cooking liquid, can of soup, corn, milk and cheese. Bring just to boiling, stirring until cheese is melted.