Thoracoscopic right-S10 segmentectomy: Alternative posterior approach
Bibliographic record
Abstract
Individual basal segmentectomies can be particularly challenging. The author has previously used an anterior approach when performing S10 segmentectomies. However, he finds that a posterior approach allows direct access to the vein and bronchus, which is further aided by dividing the posterior portion of the S6-S10 intersegmental plane. The trunk of the inferior pulmonary vein now becomes a convenient landmark because it hugs and delineates the segmental bronchus while it courses posteriorly. The author currently favors this approach for all S10 segmentectomies. Cross-sectional imaging and/or 3-dimensional reconstructions are essential in delineating anatomic relationships, in particular the relationship of the vein and its branches (which may vary) and the bronchus. They are also useful for locating the segmental artery, which typically lies just deep to the bronchus. Imaging is used both as a tool for preoperative planning and as a guide during operative dissection. Regardless of the approach, the S10 remains a difficult segmentectomy. Great care is required while dissecting and dividing delicate bronchovascular structures located deep within the operative field.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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 teacher head, 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".