Tuna Salad With Black Beans without olive

1 (7 ounce) can tuna in water , drained 1 (14 1/2 ounce) can Italian-style diced tomatoes , drained 1 (15 ounce) can black beans , rinsed and drained 1/2 cup[...]

1 (7 ounce) can tuna in olive oil 2 medium tomatoes , cut into bite-sized pieces 2 hard-boiled eggs , peeled and quartered 3 -4 slices thin red onions ,[...]