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KMID : 1141920200360050316
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Annals of Coloproctology
2020 Volume.36 No. 5 p.316 ~ p.322
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Identification of Risk Factors Associated With Stage III Disease in Nonmetastatic Colon Cancer: Results From a Prospective National Cohort Study
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Lykke Jakob
Roikjaer Ole
Jess Per
Rosenberg Jacob
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Abstract
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Purpose: This study aimed to identify possible patient- and tumor-related factors associated with risk of TNM stage III disease in nonmetastatic colon cancer.
Methods: The associations between stage III disease and age, sex, lymph node yield, pathological tumor (pT) stage, tumor subsite, type of surgery, and priority of surgery were assessed in a nationwide cohort of 13,766 patients treated with curative resection of colon cancer. Each level of age, lymph node yield, and pT stage was compared to the preceding level.
Results: Age, lymph node yield, pT stage, tumor subsite, and priority of surgery were associated with stage III disease. Odds ratios (95% confidence interval [CI]) were as follows: age < 65/65?75 years: 1.28 (95% CI, 1.15?1.43) and 65?75/ > 75 years: 1.22 (95% CI, 1.13?1.32); lymph node yield 0?5/6?11: 0.60 (95% CI, 0.50?0.72), lymph node yield 6?11/12?17: 0.84 (95% CI, 0.76?0.93), and lymph node yield 12?17/ ≥ 18: 0.97 (95% CI, 0.89?1.05); pT1/pT2: 0.74 (95% CI, 0.57?0.95), pT2/pT3: 0.35 (95% CI, 0.30?0.40), and pT3/pT4: 0.49 (95% CI, 0.47?0.54). Only tumors of the transverse colon were independently associated with lower risk of stage III disease than tumors in the sigmoid colon (sigmoid colon: 1, transverse colon: 0.84 [95% CI, 0.73?0.96]; elective surgery: 1, acute surgery: 1.43 [95% CI, 1.29?1.60]).
Conclusion: In this study, stage III disease in colon cancer was significantly associated with age, lymph node yield, pT stage, tumor subsite, and priority of surgery but was not associated with right-sided location compared with stage I and II cancers.
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KEYWORD
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Colonic neoplasms, Lymph nodes, Neoplasm staging, Tumor subsite
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