If a pancoast tumor pushes on or invades these sympathetic nerves, it can cause miosis - a small or constricted pupil, ptosis - a droopy eyelid, and anhydrosis - a failure to sweat, all on the ipsilateral, or same side, of the face as the nerve.

如果肺上沟瘤向上挤压或侵袭交感神经，则会出现瞳孔缩小、上睑下垂、无汗，这些都发生于神经支配同侧面部。

Eventually, this injury of the left cerebral peduncle will result in weakness on the same side of the body as the side of the focal mass effect, also called ipsilateral weakness.

最终，左侧大脑脚损伤会导致颅内占位同侧（右侧）肌肉无力，即同侧偏瘫。

Since the trigeminal and sacral nuclei serve just one side of the face or body, herpes vesicles and ulcers develop on the ipsilateral or same side as the affected nuclei.

因为三叉神经核骶神经核只支配脸部或身体一侧，所以，疱疡也发生在被感染神经核同侧。

The one huge difference is that there's another upper motor neuron that extends down from a region in the right motor cortex, and stays on the ipsilateral or same side to meet with same the lower motor neuron.

有一点很不同，即面部右上部分，还有右侧运动皮质发出上运动神经元，在同侧走行，并与下运动神经元交汇。

This causes paralysis of only the lower half of the face on the contralateral side as the lesion, since the upper half of the face is still receiving some information from the ipsilateral motor cortex.

这类病损只会导致对侧下半脸瘫痪，因为上半脸仍然能接收一些来自同侧运动皮质信号。

And this is called ipsilateral hemiplegia, or paralysis on the same side.

这就叫同侧偏瘫。

In never smokers with breast cancer, postmastectomy radiotherapy is associated with an almost twofold increase in lung cancer risk in the ipsilateral but not the contralateral lung.

对于从不吸烟乳腺癌患者，乳房切除术后放疗与同侧肺癌风险几乎增加两倍相关， 但与对侧肺癌风险无关。