Cascavel (Portuguese for rattlesnake) is a city with approximately 280 000 inhabitants. It is located in the Southwest part of the State of Paraná. It is a major crossroad of Brazil, and a regional center of the region. Cascavel has one of the most advanced medical center of the state. Specially in videosurgery (Gastroenterology and Gynecology). It is about 140km from the 3 borders (Paraguay, Argentina and Brazil)