Preheat oven to 400 degrees Fahrenheit.
In a 1 1/2 quart casserole dish, mix soup, milk, pimiento, peas, tuna and noodles until well combined.
Bake for 20 minutes or until hot and bubbly.
Remove from oven and stir the mixture.
In a small bowl, mix breadcrumbs with melted butter and shredded cheese.
Sprinkle the breadcrumb mixture evenly over the noodle mixture.
Bake for 5 minutes more until topping is golden brown.