Venezuela's President Hugo Chavez and his daughter Rosa Virginia walk up the stairs to a plane as they depart for Cuba from Simon Bolivar international airport in Maiquetia on the outskirts of Caracas, Venezuela, Saturday July 16, 2011. Chavez left home Saturday for Cuba to begin chemotherapy, vowing to win his fight against cancer and calling for his political allies to stay united in his absence. Earlier in the day, Chavez announced he was delegating some of his duties to his vice president and finance minister as he prepared to fly to Cuba. (AP Photo/Ariana Cubillos)
September 17, 2011 5:47:26 PM PDT
By IAN JAMES Associated Press
CARACAS, Venezuela (AP) - September 17, 2011 --
Venezuelan President Hugo Chavez headed back to Cuba on Saturday for a fourth phase of chemotherapy that he expects to be his last round of treatment for cancer.