Ailing Venezuelan president Hugo Chavez capped a busy day full of pronouncements and speeches by signing a decree that creates a new state authority to oversee prices.
The action aims to attack one of the biggest challenges facing the oil-exporting country - annual inflation hovering near 24% that is the highest in Latin America.
Mr Chavez also rallied supporters and expressed confidence that he will survive cancer, a day after saying he expects to eventually undergo chemotherapy or radiation treatment.
"I'm facing one of the biggest battles of my life," Mr Chavez told the crowd in a Caracas plaza. "With the grace of God we will also win it."
The newspaper Estado de S Paulo in Brazil reported on its website that Mr Chavez would seek treatment at Hospital Sirio Libanes, a facility in Sao Paulo known as one of the best hospitals for cancer treatment in Latin America.
Presidents Dilma Rousseff of Brazil and Fernando Lugo of Paraguay have both been treated for cancers at Sirio Libanes. Mr Lugo underwent treatment last year and Ms Rousseff in 2009 when she was not yet Brazil's president.
Ms Rousseff last week offered Mr Chavez the help of Brazilian doctors for his cancer treatment, telling him in a phone conversation that Brazilian specialists could be sent to Venezuela or he could come to Brazil.
Mr Chavez did not give details about his cancer treatment in a televised Cabinet meeting, instead focusing on domestic affairs.
He signed a decree to create a new "national system of costs and prices" that he said will prevent businesses from overcharging Venezuelans and ensure "fair prices".
Mr Chavez enacted the decree, among others, by using special legislative powers granted by his congressional allies in December that allow him to enact laws on his own for 18 months. The government already maintains price controls on many basic food products, ranging from milk to sugar to beef. It was not immediately clear what additional steps the new agency will take.