Image provided by Presidency of Venezuela shows Venezuelan Vice President Nicolas Maduro (C) delivering a message in a national radio and television broadcast about the health of Venezuela's President Hugo Chavez and his recuperation process in Miraflores Palace in Caracas, capital of Venezuela, on Dec. 12, 2012. The recovery of Venezuela's President Hugo Chavez will be "complex and difficult" following a fourth round of cancer surgery, Vice President Nicolas Maduro said Wednesday. [Xinhua]