Cervical anterior endoscopic surgery

Whole-channel inclusion: Neurosurgery LNH is an honest teaching channel (title sample + 3 transcripts read: Two of the three sampled videos are genuine structured surgical/anatomical teaching content consistent with the channel's educational mandate, while one is largely webinar logistics chatter, supporting a 'whole' verdict given the title-sample baseline.); this title passed a strict title check (sonnet) after a labelling pass.