以下为句子列表：
英文: A 47-year-old man suffered persistent epigastric pain with a positive peritoneal sign after a heavy meal.
中文: 胃镜检查发现胃体部下段前壁侧有一个外来物的压迫现象。
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英文: Epigastric abdominal flaps of rats were used to investigate whether the flap survival rate can be affected by ligating too many side branches of feeding arteries or by neurogenic control of the flaps.
中文: 我们利用老鼠的腹上皮瓣进行组织重接，来探讨神经支配是否会影响皮瓣组织之存活率，切断太多的侧枝循环造成周围组织之缺氧是否会使皮瓣因血液灌流太多而影响皮瓣之存活率。
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英文: Fifty-seven percent of the cases were associated with polycystic kidneys, and the majority of the cases presented with epigastric fullness, flank pain, or gross hematuria.
中文: 总胆管肿之平均发病年龄为13.2±19.8岁，以女性占绝大多数(86%)，其中1例女性合并先天性肝纤维化。
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英文: He presented with hiccups, epigastric pain and vomiting, and his serum amylase and lipase levels were elevated.
中文: 他的症状有：呃逆、上腹部疼痛和呕吐，他的血清淀粉酶和脂肪酶水平升高。
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英文: Internal hernias are silent if they are easily reducible, but the majority often cause epigastric discomfort, periumbilical pain, and recurrent episodes of intestinal obstruction (3,5).
中文: 腹内疝如果易于复原则可以不表现症状，但绝大多数导致上腹不适、脐周疼痛和反复发作的肠梗阻。
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