COOK pasta as directed on package, omitting salt.
MEANWHILE, cook chicken in large nonstick skillet on medium-high heat 2 min. Add salsa, corn and peppers; stir. Bring to boil; simmer on medium-low heat 10 min. or until chicken is done, stirring occasionally.
DRAIN pasta. Add to chicken mixture; mix lightly. Sprinkle with cheese. Remove from heat; cover. Let stand 1 min. or until cheese is melted.
serving size = 2 cups (500 mL)