Patterns of recurrence after neoadjuvant docetaxel, cisplatin, and 5FU combined with resection and extended lymphadenectomy for locally advanced esophagogastric adenocarcinoma.
Bibliographic record
Abstract
e15044 Background: We have previously identified Docetaxel, Cisplatin, and 5FU (DCF) as a highly effective regimen in the neoadjuvant setting for locally advanced adenocarcinoma (ADC) of the esophagus and esophago-gastric junction (EGJ). However there is ongoing debate whether chemotherapy alone provides adequate local or regional control. We hypothesized that DCF combined with enhanced local surgical control would result in a low rate of local or regional recurrence. Methods: A prospective entered database of all esophageal/EGJ ADC pts resected at a high volume referral center was reviewed for cases treated with neoadjuvant DCF (Docetaxel 75mg/m2, Cisplatin 75mg/m2, 5FU 750mg/m2x120 hrs CIV) Q3weeks x3, followed by en-bloc resection with extended lymphadenectomy (D2). Follow up included physical exam Q3m x 2 yrs then Q6m, and endoscopy and CT chest/abdo/pelvis performed Q6 m. Recurrence was defined as: Local = biopsy on endoscopy; Regional = regional lymph nodes; Distant = distant organ or non-regional lymph nodes. Data presented as Median (Range). Results: Of 281 pts in the database, 89 (75%male, 63yrs(24-80)) underwent pre-op DCF and resection for locally advanced ADC (cT3 93%;cN+ 73%) of the EGJ (51%) or distal esophagus (49%) from 3/07-10/12. After overall follow-up of 37(6-72) months, 37 (42%) have recurred at 15(6-33) months. Sites of recurrence include Distant only in 29/37, Regional only in 5/37, and Regional and Distant in 3/37. First site of distant recurrence was peritoneum (14/37), liver (10/37), non-regional lymph nodes (10), brain/ovary/pleura (2 each), and bone(1). No patient had local recurrence alone. 3/5 patients with regional recurrence underwent salvage chemoradiotherapy and are alive without disease at 36 months (30-47) after recurrence. Conclusions: En-bloc resection with extended lymphadenectomy after DCF for locally advanced ADC of the esophagus and EGJ is associated with a low rate of local and regional recurrence. As vast majority of recurrences are distant, our data supports the notion that efforts to improve outcomes in these pts should concentrate on enhancing systemic, rather than local, therapy.
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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 | 0.000 |
| Bibliometrics | 0.000 | 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 | 0.000 |
| 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".