Article Photos: Chavez faces new cancer battle, surgery in Cuba 5/14

FILE - In this Dec. 18, 2007 file photo Venezuela's President Hugo Chavez, left, talks to then Foreign Minister Nicolas Maduro at the University of Uruguay in Montevideo, Uruguay.   Chavez is heading back to Cuba on Sunday Dec. 9, 2012 for more surgery for cancer, announcing on television that the illness has returned after two previous operations, chemotherapy and radiation treatment. Chavez acknowledged the seriousness of his situation in an address Saturday night, saying for the first time that if he suffers complications Vice President Nicolas Maduro should take his place as Venezuela's leader and continue his socialist movement.(AP Photo/Matilde Campodonico, File)