State news : Hugo Chavez will receive several sessions of hyperbaric oxygen therapy . Chavez is in Cuba for ` ` medical treatments , '' state media reports . The government says he is cancer - free , but some doubt that . It involves breathing pure oxygen in a sealed chamber that has been pressurized at up to three times normal atmospheric pressure . His condition has been a closely guarded secret .
State news : Hugo Chavez will receive several sessions of hyperbaric oxygen therapy . Chavez is in Cuba for ` ` medical treatments , '' state media reports . The government says he is cancer - free , but some doubt that . His condition has been a closely guarded secret .