Bilateral and multifocal phyllodes tumours of the breast: A case report
Bibliographic record
Abstract
Phyllodes tumours (PTs) are rare breast neoplasms, comprising an estimated 0.5% of all primary breast tumours (1).These neoplasms generally present as unilateral painless, well-circumscribed, mobile breast masses in women 35 to 55 years of age (2).Bilateral tumours are rare and tend to be asynchronous in nature (3).PTs are classified according to their biological behaviour: benign, malignant and borderline (4).These are locally aggressive tumours with a high recurrence rate.Surgery is the main treatment modality (2).The presence of clear margins is the most reliable predictor for local control; mastectomy has more success than breast-conserving surgery in borderline and malignant cases (5).A small percentage of these tumours are malignant.The role of chemotherapy and radiotherapy is controversial (4).Distant metastases are uncommon, occurring in 3% to 13% of cases; the most common site is the lung (1).We present a case of bilateral, synchronous, multifocal disease in a healthy 42-year-old woman.We believe the present case is the first to be reported in the literature.
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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 | 0.004 |
| Meta-epidemiology (narrow) | 0.004 | 0.002 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.004 | 0.003 |
| Science and technology studies | 0.003 | 0.003 |
| Scholarly communication | 0.002 | 0.004 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.008 | 0.005 |
| Insufficient payload (model declined to judge) | 0.005 | 0.003 |
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".