The patient arrived at the emergency room of a hospital in Sao Paulo, conscious and walking, to extract a knife that was stuck in his head. The man was found walking in the middle of the street and even asked for help. The neighbors took him to the emergency room and during the trip to the hospital he said that he did not remember what had happened. The man, a rural worker in his 40's, was operated on as soon as he arrived at the hospital. According to the doctors, the intervention was a success and the patient is in still recovering under close observation. Credit: El Espectador