(ROUGH CUT ONLY - NO REPORTER NARRATION)<br/> <br />Venezuelan President Hugo Chavez departed on Saturday (April 14) for Cuba where he will undergo his fourth round of cancer radiation treatment.<br/> <br />On Saturday, Venezuela's National Assembly legislature authorized the 57-year-old socialist leader to leave the country for up to 90 days, which is longer than on his recent trips to Cuba for radiation treatment.<br/> <br />Very little official information has been given about his health, including what type of cancer he has. Chavez underwent three surgeries and chemotherapy before beginning radiation treatment.<br/> <br />His opponents have criticized Chavez for seeking treatment in communist-led Cuba, his main ally, instead of Venezuela, and for keeping Venezuelans in the dark about the extent of his illness, raising suspicions that his cancer may have spread.<br/> <br />Despite his cancer, Chavez is campaigning hard to win a new six-year term at an October 7 election that is shaping up to be the toughest political fight of his 13 years in power due to his ill health and a serious opposition challenge.<br/> <br />Because of his trip, Chavez did not attend this weekend's regional Summit of the Americas taking place in Cartagena, Colombia.
