Cut the pork into small pieces. Sun-dried tomatoes - stripes. If the cucumbers have a tough skin, peel it, cut the flesh into small cubes.
Remove the pit and peel from the avocado. Cut the pulp into cubes, sprinkle with lemon juice. Chop green onions and cilantro.
For dressing, mix mayonnaise, horseradish and mustard. Toss pork with dressing, add herbs, cucumbers and avocados. Season with salt and pepper and let steep 15 minutes. and serve.