Long‐term outcomes for patients with limited stage follicular lymphoma
Bibliographic record
Abstract
Abstract BACKGROUND: Given the indolent behavior of follicular lymphoma (FL), it is controversial whether limited stage FL can be cured using radiotherapy (RT). Furthermore, the optimal RT field size is unclear. The authors of this report investigated the long‐term outcomes of patients with limited stage FL who received RT alone and studied the impact of reducing the RT field size from involved regional RT (IRRT) to involved node RT with margins up to 5 cm (INRT≤5 cm). METHODS: Eligible patients had limited stage, grade 1 through 3A FL diagnosed between 1986 and 2006 and treated were with curative‐intent RT alone. IRRT encompassed the involved lymph node group plus ≥1 adjacent, uninvolved lymph node group(s). INRT≤5 cm covered the involved lymph node(s) with margins ≤5 cm. RESULTS: In total, 237 patients were identified (median follow‐up, 7.3 years) and included 48% men, 54% aged >60 years, stage IA disease in 76% of patients, elevated lactate dehydrogenase (LDH) in 7% of patients, grade 3A tumors in 12% of patients, and lymph node size ≥5 cm in 19% of patients. The 2 RT groups were IRRT (142 patients; 60%) and INRT≤5 cm (95 patients; 40%). At 10 years, the progression‐free survival (PFS) rate was 49%, and the overall survival (OS) rate was 66%. Only 2 patients developed recurrent disease beyond 10 years. The most common pattern of first failure was a distant recurrence only, which developed in 38% of patients who received IRRT and in 32% of patients who received INRT≤5 cm. After INRT≤5 cm, 1% of patients had a regional‐only recurrence. Significant risk factors for PFS were lymph nodes ≥5 cm (P = .008) and male gender (P = .042). Risk factors for OS were age >60 years (P < .001), elevated LDH (P = .007), lymph nodes ≥5 cm (P = .016), and grade 3A tumors (P = .036). RT field size did not have an impact on PFS or OS. CONCLUSIONS: Disease recurrence after 10 years was uncommon in patients who had limited stage FL, suggesting that a cure is possible. Reducing RT fields to INRT≤5 cm did not compromise long‐term outcomes. Cancer 2010. © 2010 American Cancer Society.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 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".