Easy Chicken Casserole with breadcrumbs

4 cups cooked chicken, cut in pieces 2 (10 ounce) cans cream of mushroom soup, undiluted 1 (10 ounce) can sliced mushrooms, well drained 1 teaspoon garlic[...]

2 (10 ounce) packages frozen chopped broccoli, thawed and drained 2 cups cubed cooked chicken 2 (10 3/4 ounce) cans condensed cream of chicken soup, undiluted[...]

0.5 (16 ounce) package macaroni noodles 1 (10 1/2 ounce) can cream of chicken soup 2 (5 ounce) cans cooked chicken breasts 1/2 cup mayonnaise 1/3 cup milk 1/2[...]