Related Experiment Video
Updated: Jun 21, 2025
06:46
Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
Published on: September 27, 2024
248
Longitudinal Risk Analysis of Second Primary Cancer after Curative Treatment in Patients with Rectal Cancer
Jiun-Yi Hsia1,2, Chi-Chang Chang3,4, Chung-Feng Liu5
1Division of Thoracic Surgery, Department of Surgery, Chung Shan Medical University Hospital, Taichung 402367, Taiwan.
Diagnostics (Basel, Switzerland)
|July 13, 2024
Summary
Identifying risk factors for second primary cancers (SPCs) in rectal cancer patients is crucial for personalized treatment. Chemotherapy emerged as the most significant prognostic risk factor for SPCs in survivors.
Area of Science:
- Oncology
- Cancer Research
- Biostatistics
Background:
- Predicting second primary cancers (SPCs) in rectal cancer patients is challenging.
- Identifying predictive risk factors is key for personalized treatment strategies.
Purpose of the Study:
- To develop a model for predicting SPCs in rectal cancer patients using experience data.
- To identify key risk factors and assess their combined impact on SPC development.
Main Methods:
- Utilized a dataset of 4402 rectal cancer patients, including 395 with SPCs.
- Developed extraction, classification pipelines, and a clinical risk assessment model.
- Employed the C5 method for classification, achieving an AUC of 84.88%.
Main Results:
- Identified age at diagnosis, chemotherapy, smoking, combined stage, and sex as important predictive variables.
- Chemotherapy was identified as the most significant prognostic risk factor for SPCs.
- The model demonstrated high performance with 80.85% testing accuracy and an F1 score of 79.88%.
Conclusions:
- The proposed model effectively assesses clinical risk factors for SPCs in rectal cancer survivors.
- Chemotherapy is a critical factor influencing SPC development.
- This approach supports personalized treatment and longitudinal evaluation for rectal cancer survivors.
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