In a saute pan, cook sausage over medium heat until brown and crumbly. Drain fat. Set aside.Slice cream cheese and place In an 8 x 8 dish.Drain tomatoes and put on top of cream cheese.Pour sausage over tomatoes.Cover with foil and bake in a preheated oven at 350 degrees for 30 minutes. Stir to blend all ingredients.Serve warm with chips and veggies.