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Azygos lobe
In human anatomy, an azygos lobe is a congenital variation of the upper lobe of the right lung. Embryologically, it arises from an anomalous lateral course of the azygos vein () () in a pleural septum within the upper lobe. As it has no bronchi, veins and arteries of its own, it is not a true, or even accessory, pulmonary lobe, but rather an anatomically separated part of the upper lobe. It is usually an incidental finding on chest x-ray or computed tomography and is as such not associated with any morbidity but can cause technical problems in thoracoscopic procedures (). ==Further reading==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Azygos lobe」の詳細全文を読む
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