Cook the rice in the broth. Boil the eggs. Drain a can of tuna. Put both cans (one with the oil) in a bowl and chop them up. Add the corn (according to taste). Dice the cucumber and add.
Cut the cold eggs into small pieces and place them in the bowl, as well as the cooled rice. Mix everything, add mayonnaise and ketchup (1: 1) and mix. Finally, season with a little salt and pepper.