Altered PD-L1 Expression in Non-Small Cell Lung Cancer Patient After Induction Chemotherapy: A Case Report
Bibliographic record
Abstract
Targeting the immune checkpoint of programmed death ligand 1 (PD-L1) and programmed cell death protein 1 (PD-1) with immunotherapy has improved the treatment of many tumors including non small cell lung cancer (NSCLC). Checking PD-L1 status must be done during the course of therapy. Changes of PD-L1 status with therapy have been described in several cancer subtypes with different treatment modalities including chemotherapy and immunotherapy. Here we present a case report of a locally advanced squamous lung carcinoma patient presenting a decrease of PD-L1 level after chemotherapy. This case will be added to the few reports describing such changes in PD-L1 expression after different treatment modalities. More data are needed to understand the underlying mechanisms and its treatment implications. J Med Cases. 2019;10(2):62-65 doi: https://doi.org/10.14740/jmc3249
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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) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.006 | 0.004 |
| Insufficient payload (model declined to judge) | 0.003 | 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".