Heat oven to 350°F. Cook and drain noodles as directed on package.
Spread 1 cup of the tomatoes in ungreased 13x9-inch (3-quart) glass baking dish. Top with 5 noodles, overlapping slightly as needed. Layer with half each of the remaining tomatoes, the shrimp, sausage, Alfredo sauce and mozzarella cheese. Repeat layers. Sprinkle Parmesan cheese over top.
Cover dish with foil. Bake about 30 minutes or until center is hot and bubbly. Uncover; bake 15 to 20 minutes longer or until cheese is melted. Let stand 15 minutes before cutting. Sprinkle with parsley.