Cook pasta according to package directions, omitting salt.
Meanwhile, cook sausage in large nonstick skillet over medium-high heat 7 minutes or until crumbled and no longer pink, stirring occasionally; drain. Add undrained tomatoes and tomato paste; mix well. Reduce heat to medium-low; simmer 5 minutes, stirring occasionally.
Drain pasta; stir into tomato mixture. Stir in 1 cup cheese; sprinkle remaining 1 cup cheese over top. Cover skillet with lid. Cook 5 minutes more or until cheese melts.