以下为句子列表：
英文: A branch of the lateral femoral circumflex artery is encountered when exposing the proximal fourth of the femur and the superior lateral genicular artery in the distal fourth; these may be clamped, divided, and ligated without harm.
中文: 显露股骨近端四分之一段时可见旋股外侧动脉分支，而在远端四分之一可见膝上外侧动脉；这些血管可被钳夹、切断和结扎，而不会造成损害。
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英文: A nephroureterectomy specimen showing bulbous expansion of proximal ureter near the renal pelis caused by papillary urothelial carcinoma. (Photo: Courtesy of Dr. Gary Bokinsky, irginia Urology Center, Richmond, A).
中文: 肾输尿管切除标本，可见输尿管近端靠近肾盂部位呈球状扩张，这起因于输尿管乳头状移行细胞癌。
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英文: A transmesenteric hernia usually manifests in association with proximal small bowel dilatation, with a transition zone to a normal or collapsed intestine.
中文: 肠系膜疝通常显示为近端小肠的扩张，与正常或塌陷肠管间存在过渡区。
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英文: Despite of food impaction and proximal caries of first permanent molar, impacted lower second molar also affect the normal function of occlusion.
中文: 除了影响正常咬合功能外，常因食物阻塞而伴随大臼齿间软组织发炎或第一大臼齿远心侧龋齿。
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英文: Few significant differences were seen between groups, but involvement of the median nerve was significantly less frequent in patients without conduction block. This was also true of proximal weakness.
中文: 组间并没有观察到显著区别，但在无传导阻滞症状的病人中，牵涉中位神经元的情况显著较少。近端肌无力也存在这种情况。
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