目的：为保留幽门的胰十二指肠切除术提供解剖学基础。
Objective: to provide anatomic data for pylorus - preserving pancreaticoduodenectomy (PPPD).
但这是一个严重的并发症，可能会促使发明更安全的新手术或者可以保留幽门的其他手术。
It is a serious complication though and may give rise to the invention of new operations that are safer or other operations where you preserve the pylorus.
我猜你能这么肯定的另一个原因是——众所周知——你吞下了一堆幽门螺杆菌以证明是它引起了胃病。
I assume another reason you were so certain is that—rather famously—you swallowed a bunch of Helicobacter bacteria to prove that it caused stomach problems.
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