MIX sweetened condensed milk and Cool Whip together; set aside.
COMBINE oranges, pie filling, pineapple and marshmallows; STIR into Cool Whip.
REFRIGERATE overnight.
Per Serving (excluding unknown items): 3600 Calories; 50g Fat (12.0% calories from fat); 52g Protein; 773g Carbohydrate; 14g Dietary Fiber; 182mg Cholesterol; 809mg Sodium. Exchanges: 5 1/2 Fruit; 9 1/2 Fat; 44 1/2 Other Carbohydrates.