A 35-year-old man was admitted complaining of periumbilical pain for 3 days.On physical examination, a pulsatile mass was palpable in the left upper abdomen.

• 摘要一位三十五岁男性因为腹痛三天而住院，身体检查上发现在左上腹有一个会跳动的肿瘤，病患没有腹膜炎的病症。