Malignant disease, Prognosis and adjuvant therapy
- Long-term Oncologic Outcome of Postoperative Complications After Colorectal Cancer Surgery
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Chang Kyu Oh, Jung Wook Huh, You Jin Lee, Moon Suk Choi, Dae Hee Pyo, Sung Chul Lee, Seong Mun Park, Jung Kyong Shin, Yoon Ah Park, Yong Beom Cho, Seong Hyeon Yun, Hee Cheol Kim, Woo Yong Lee
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Ann Coloproctol. 2020;36(4):273-280. Published online November 13, 2019
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DOI: https://doi.org/10.3393/ac.2019.10.15
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Abstract
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- Purpose
The impact of postoperative complications on long-term oncologic outcome after radical colorectal cancer surgery is controversial. The aim of this study was to examine the risk factors and oncologic outcomes of surgery-related postoperative complication groups.
Methods
From January 2010 to December 2010, 310 patients experienced surgery-related postoperative complications after radical colorectal cancer surgery. These stage I–III patients were classified into 2 subgroups, minor (grades I, II) and major (grades III, IV) complication groups, according to extended Clavien-Dindo classification system criteria. Clinicopathologic differences between the 2 groups were analyzed to identify risk factors for major complications. The diseasefree survival rates of surgery-related postoperative complication groups were also compared.
Results
Minor and major complication groups were stratified with 194 patients (62.6%) and 116 patients (37.4%), respectively. The risk factors influencing the major complication group were pathologic N category and operative method. The prognostic factors associated with disease-free survival were preoperative perforation, perineural invasion, tumor budding, and receiving neoadjuvant therapy. With a median follow-up period of 72.2 months, the 5-year disease-free survival rates were 84.4% in the minor group and 78.5% in the major group, but there was no statistical significance between the minor and major groups (P = 0.392).
Conclusion
Advanced cancer and open surgery were identified as risk factors for increased surgery-related major complications after radical colorectal cancer surgery. However, severity of postoperative complications did not affect disease-free survival from colorectal cancer.
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Citations
Citations to this article as recorded by

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