ArticleAnnals of surgical oncology2025
Observed Changes in the Distribution of Colon Cancer Metastasis: A National Cancer Database Review and Institutional Experience.
Article in Annals of surgical oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- An Update on Cutaneous Metastases of Internal Malignancies.Medicina (Kaunas, Lithuania) · 2025Review
- Dissecting the opposing regulatory functions of endogenous nitric oxide production in colorectal cancer initiation, adaptive immune response alterations, and ferroptosis execution.Oncology reviews · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe University of Louisville has observed a near 70% drop in resectable/borderline resectable metastatic colorectal cancer in the past 5 years. The aim of this study was to evaluate the distribution of colon cancer metastasis at diagnosis and at recurrence. PATIENTS AND
methodsStage was defined by the American joint committee on cancer (AJCC) eighth edition. Institutional review board approval was granted for post hoc review of stage II and III patients with colon cancer from the University of Louisville prospective hepatic database from 2002 to 2023, as well as for the National cancer database (NCDB) Participant user file (PUF) 2021. The Surveillance epidemiology and end-results (SEER) 22 database was also utilized to corroborate the findings in the NCDB.
resultsBetween 2018 and 2021 pathological M1a decreased annually (51.9-46.3%), while M1c increased year-over-year (26.6-32.4%) and M1b stayed relatively the same (21.4-21.3%). These differences were significant on chi-squared analysis with a p value of < 0.001. Univariate analysis of the post hoc review between 2017 and 2020 revealed significant differences between stage 4a and 4c in terms of race (p value 0.018), carcinoembryonic antigen (CEA) at diagnosis (p value 0.037), CEA at recurrence (p value 0.012), presence of liver metastasis (p value 0.003), and referral pattern (p value 0.014). Multivariate analysis identified stage 4b as an independent predictor for hepatic metastasis (odds ratio; OR 4.69, p value 0.011).
conclusionsA significant change in the distribution of colon cancer metastases has occurred at an institutional and national level over the past 3-5 years. Interdisciplinary treatment strategies will have to be modified accordingly.
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Registered trials
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