Abdominal pulsatile mass的用法和样例：
- 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.
- A pulsatile midline mass suggests ruptured abdominal aortic aneurysm.
- A cloud is a mass of vapor in the sky.
- The mass rally was a total fiasco.
- He always feels pain in his abdomen.