Corn Chowder with shrimp

1 (10 ounce) box frozen corn in butter sauce 1 tablespoon olive oil 1 medium onion , chopped (1/2 cup) 1 medium bell pepper , chopped (1 cup) 1 stalk celery ,[...]

4 cups low-sodium chicken broth 2 16-oz. bags frozen corn 1 onion, finely chopped 1 red bell pepper, seeded and diced 2 carrots, cut into 1/4-inch rounds 2[...]