A Kayapo woman from the Gorotire community is anesthetized before a hernia surgery on the fifth day of a medical expedition of the "Expedicionarios da Saude" (Brazilian Health Expeditions) in the Kikretum community in Sao Felix, northern Brazil April 25, 2011. The "Expedicionarios da Saude"organization is currently on a medical expedition to the area with volunteer doctors that twice a year build a mobile hospital to provide clinical and surgical treatment for indigenous tribes and residents from different parts of the Amazonian rainforest. REUTERS/Ricardo Moraes (BRAZIL - Tags: HEALTH SOCIETY)