In a 2-quart glass casserole dish, combine soup, half cup cheese, milk, and sour cream. Mix well. Stir in cooked noodles, vegetables, and chicken. Mix well. Microwave, covered, on high for ten minutes, or until heated through, stirring once. Sprinkle remaining cheese on top. Microwave, on high, for two minutes, or until cheese has melted. This recipe was made in a 1000-watt microwave.