Melt butter in medium pot. Add white onion, celery & bell peppers. Saute over medium heat for 4 minutes.
Add cooked sausage, garlic and green onions. Saute for 2 minutes.
In a bowl combine crushed tomatoes, chicken broth, lemon juice, worcestershire sauce, tabasco, cajun spice and basil. Add to pot & simmer for 5 minutes.
Add shrimp cook for 4 minutes, until cooked through.
Garnish with green onions & serve.