Easy Chicken Chow Mein

Name: Easy Chicken Chow Mein
Ingredients: 2 boneless skinless chicken breasts, sliced into thin pieces; 1 Tablespoon oil (canola or vegetable); 1½ cups shredded cabbage; 2 cups carrots , shredded or julienne sliced; 3 ribs celery , chopped; 5 green onions , sliced with whites and green separated; 2 cloves garlic , minced; 1 pound refrigerated Yaki-Soba noodles (discard seasoning packet)*; For the sauce:; ¼ cup low-sodium soy sauce; 1½ teaspoons sesame oil; 1 Tablespoon oyster sauce; 2 teaspoons freshly grated ginger; 1 Tablespoon light brown sugar; 1 teaspoon cornstarch