Remove the Sweet Italian Sausage (1 pound) from the casing. Heat a 12-inch skillet over medium-high heat and add the sausage. Cook until well browned, stirring often to separate meat. Pour off any fat.
Reduce the heat to medium.
Cut the Zucchini (1) lengthwise in quarters, then sliced crosswise. Add the zucchini to the skillet and cook for 5 minutes or until tender-crisp, stirring occasionally.
Stir in the Campbell's® Savory Portobello Mushroom Soup (1 package) and heat to a boil. Reduce the heat to low.
Cook the Rigatoni (1/2 package) according to package instructions. Drain and Stir in the rigatoni and cook for 2 minutes or until the mixture is hot, stirring occasionally.