1 (7 oz.) pkg. ring macaroni
1 c. tiny shrimp
1/2 onion, finely chopped
1/2 c. diced celery
1 tomato, diced
3/4 c. sm. cubed cheddar cheese
1 c. mayonnaise

Cook macaroni, cool and drain shrimp. Add all other ingredients. Stir until mixed. Chill before serving.