Heat oil in Teflon skillet over medium to low heat. Add onion and celery and sauté 2 minutes. Add tomatoes and mushrooms-cook about 5 minutes. Stirring often. Add tomato sauce, and all other ingredients except Salmon and simmer 2 minutes. Add Salmon and simmer 1-2 more minutes - keep on warm heat. Meanwhile, cook pasta according to package directions being careful not to over cook. Drain well. Serve hot Salmon mixture over pasta.