 In December 1993, Christian Democrat Eduardo Frei Ruiz-Tagle, the son of previous president Eduardo Frei Montalva, led the Concertación coalition to victory with an absolute majority of votes (58%).Frei Ruiz-Tagle was succeeded in 2000 by Socialist Ricardo Lagos, who won the presidency in an unprecedented runoff election against Joaquín Lavín of the rightist Alliance for Chile, by a very tight score of less than 200,000 votes (51,32%).In 1998, Pinochet traveled to London for back surgery.