Table:
text: United States House of Representatives elections, 1986
Illinois
Illinois
District Incumbent Party First_elected Result_ Candidates
Illinois 2 Gus Savage Democratic 1980 Re-elected Gus Savage (D) 83.8% Ron Taylor (R) 16.2%
Illinois 3 Marty Russo Democratic 1974 Re-elected Marty Russo (D) 66.2% James J. Tierney (R) 33.8%
Illinois 4 George M. O`Brien Republican 1972 Retired Republican hold Jack Davis (R) 51.6% Shawn Collins (D) 48.4%
Illinois 6 Henry Hyde Republican 1974 Re-elected Henry Hyde (R) 75.4% Robert H. Renshaw (D) 24.6%
Illinois 9 Sidney R. Yates Democratic 1964 Re-elected Sidney R. Yates (D) 71.6% Herbert Sohn (R) 28.4%
Illinois 12 Phil Crane Republican 1969 Re-elected Phil Crane (R) 77.7% John A. Leonardi (D) 22.3%

Question: What happened to the incombenten elected in Illinois in the 1980 United States elections (1986, House of Representatives)?