Horner syndrome can be present if T1 is affected.

如果T1受压，也会出现Horner综合征。

A thoracic tumor that extends to the neck can press up against nerves originating there and heading towards the face, and it can cause Horner syndrome.

胸部肿瘤生长延伸到颈部，可能会压迫来自颈部并向上到面部的神经，造成Horner综合征。

Horner syndrome involves miosis or constriction of the pupils, ptosis or the drooping of the eyelid, and anhidrosis which is an inability to sweat in the face.

Horner综合征包括瞳孔缩小、上睑下垂以及面部无汗。

Rather, they continue to proliferate in an immature state, creating tumors that press on nearby organs, or spread to other organs causing complications like Horner syndrome and raccoon eyes.

它们继而以原始形态生长繁殖，形成肿瘤压迫周围器官，或转移到其他器官造成并发症，如Horner综合征、浣熊眼。