患者女,16岁,主因：体检发现颅内占位7天入院。现病史：患者7天前外伤后行颅脑CT发现颅内占位,患者无头晕、头疼,无恶心、呕吐、无肢体......

The Piyang-Donggya Grotto Site,which was discovered along a river bank in Piyang,Zanda County,Ngari Prefecture,is one of......