At diagnosis, extrahepatic PHT was present in 91 (87%) patients, and complete obstruction including mesenteric and splenic veins in 29 (28%).

• 经诊断91名患者（87%25）存在肝外门脉高压，29名患者（28%25）存在包括肠系膜和脾静脉在内的完全梗阻。