A Pulmonary Artery Pseudoaneurysm from a Locally Advanced Lung Cancer: A Case Report
Bibliographic record
Abstract
Background: Pseudoaneurysms or false arterial aneurysms are infrequent complications that result from direct injury to the vascular wall leading to a single-layer hematoma. The formation of a pulmonary artery pseudoaneurysm secondary to an adjacent lung neoplasm is a rare occurrence. Presentation of Case: We report a patient who developed a pseudoaneurysm of his left pulmonary artery from an infiltrating squamous cell carcinoma of the lung. Conclusion: Despite the relative infrequency, the presence of a pulmonary pseudoaneurysm secondary to a lung cancer continues to have a high mortality. The aneurysm was managed with an endovascular stent with the goal of hemorrhage control. Unfortunately, the presence of the pseudoaneurysm in the context of his rapidly growing squamous cell carcinoma made the patient no longer a candidate for curative surgery, chemotherapy or radiation. After a long discussion on the patient’s wishes and goals of care, he decided for palliative care measures. He was sent home with home oxygen and community supports in order to spend the remaining days with his family.
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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 | 0.001 | 0.006 |
| Meta-epidemiology (narrow) | 0.003 | 0.002 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.004 | 0.002 |
| Science and technology studies | 0.004 | 0.003 |
| Scholarly communication | 0.003 | 0.004 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.009 | 0.005 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".