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KMID : 1141920200360010035
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Annals of Coloproctology
2020 Volume.36 No. 1 p.35 ~ p.40
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Long-term Oncologic Outcome and Its Relevant Factors in Anal Cancer in Korea: A Nationwide Data Analysis
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Hur Hyuk
Jung Kyu-Won
Kim Byung-Woo
Oh Chang-Mo
Won Young-Joo
Oh Jae-Hwan
Kim Nam-Kyu
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Abstract
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Purpose: Anal cancer is a rare disease in Korea, and thus survival analyses are limited by small sample sizes. This study used the Korea Central Cancer Registry (KCCR) for a survival analysis and for assessing characteristics of anal cancer in a large sample of Koreans.
Methods: From the KCCR, data on 3,615 patients who were diagnosed and treated for anal cancer from 1993 to 2015 were retrieved. Clinicopathologic variables including age, sex, histological type, and Surveillance Epidemiology and End
Results (SEER) stage were reviewed, and a survival analysis was performed according to these variables.
Results: The 5-year relative survival rate improved from 39.7% in 1993?1995 to 66.5% in 2011?2015. Squamous cell carcinoma was the most common and showed the highest survival rate. Males and older patients (≥40 years and ≥70 years) showed poor prognoses.
Conclusion: The survival rate for anal cancer in Korea has improved steadily over time. The characteristics related to survival were the histological type, sex, and age. These statistics will be fundamental for future Korean anal cancer research.
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KEYWORD
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Anus, Cancer, Survival, Korea, Registry
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