In A Skillet, Cook The Beef, Onion And Garlic Over Medium Heat Until Meat Is No Longer Pink; Drain. Stir In The Corn, Tomatoes, Zucchini, Mushrooms, Basil, Oregano, Salt And Pepper. Cover And Simmer For 10-15 Minutes Or Until Heated Through And Zucchini Is Tender. Sprinkle With Parmesan Cheese.