Long-Term Outcomes of Sigmoid, Rectosigmoid, and Rectal Cancers: A Matched Analysis
- 1Department of General Surgery, School of Medicine, Ankara University, Ankara, Turkey.
- 2Department of Biostatistics, Faculty of Medicine, Ankara University, Ankara, Turkey.
- 3Department of Colorectal Surgery, DDSI, Cleveland Clinic, Cleveland, Ohio, USA.
- 0Department of General Surgery, School of Medicine, Ankara University, Ankara, Turkey.
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View abstract on PubMed
Summary
This summary is machine-generated.Survival rates for sigmoid, rectosigmoid, and rectal cancers show significant differences. Understanding these variations in colorectal cancer is key to improving patient outcomes and treatment strategies.
Area Of Science
- Oncology
- Surgical Oncology
- Cancer Registry Research
Background
- Investigating survival outcomes for sigmoid, rectosigmoid, and rectal cancers.
- Comparing patient survival after curative resection for these distinct anatomical locations.
Purpose Of The Study
- To conduct a population-based, matched overall survival analysis for sigmoid, rectosigmoid, and rectal cancers.
- To identify stage-specific survival differences among these colorectal cancer sites.
Main Methods
- Utilized the US SEER cancer registry data (2000-2020) for patients with nonmetastatic adenocarcinoma.
- Matched patients 1:1 based on age, sex, surgery time, grade, and stage.
- Performed multivariate Cox regression analysis.
Main Results
- 19,607 patients were analyzed; radiotherapy rates were higher for rectal cancer.
- Significant improvements in 3- and 5-year overall survival were observed from 2000-2005 to 2016-2020.
- Multivariate analysis identified sex, primary cancer site, year, age, stage, differentiation, and chemotherapy as independent survival predictors.
Conclusions
- Significant survival differences exist among sigmoid, rectosigmoid, and rectal cancers.
- Further research into distinct anatomical landmarks is needed.
- Improved understanding can enhance treatment, care, and survival for colorectal cancer patients.
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