Major Airway Laceration Secondary to Endobronchial Ultrasound Transbronchial Lymph Node Biopsy
Bibliographic record
Abstract
A 48-year-old woman underwent complete mediastinal lymph node staging for non-small-cell lung cancer. After convex endobronchial ultrasound (EBUS)-guided transbronchial biopsy of the subcarinal lymph node station (station no. 7), it was noted that a laceration had occurred in the left mainstem bronchus. The tear occurred at the medial cartilaginous-membranous junction, seemed to be full thickness into the mediastinum, and was approximately 1.5cm long. The cytologic results of all lymph node biopsies were negative and the patient underwent right upper and middle lobe bilobectomy 12 hours after the EBUS procedure. This is the first report of a serious airway injury occurring during convex EBUS lymph node biopsy.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".