Detailed Abstract
[BP Best Oral Presentation - Biliary & Pancreas (Biliary Disease/Surgery)]
[BP BO-S5] Conditional Relative Survival Rate of Gallbladder Cancer in Korea: a Population-based Study
Mee Joo KANG 1, Johyun HA 2, Sang-jae PARK 1, Hyeong Min PARK 1, Sung-sik HAN 1, Kyu-won JUNG 2
1 Department of Surgery, National Cancer Center, REPUBLIC OF KOREA, 2 Division of Cancer Registration And Surveillance, National Cancer Center, REPUBLIC OF KOREA
Background : Accurate prognostic information is crucial for making treatment decisions and counseling cancer survivors. This study investigated conditional relative survival rates (CRS) for gallbladder cancer based on Surveillance, Epidemiology, and End Results (SEER) stage and treatment.
Methods : Data from 40,774 individuals diagnosed with gallbladder cancer between 1999 and 2021 were obtained from the Korea Central Cancer Registry. SEER stage information was available from the year 2006. The X-year CRS of Y-year survivors represents the probability of surviving additional X years among those who have already survived the first Y years.
Results : The 5-year relative survival rates (RS) between 1999–2021 was 29.9%. In the period 2006–2021, 15.0%, 28.0%, and 27.3% had localized, regional and distant stage disease. The 5-year RS, 2-year CRS for 3-year survivors (probability of surviving an additional 2 years among those who have already survived the first 3 years) and 5-year CRS for 5-year survivors were 76.4%, 95.6% and 94.7% (localized), 37.4%, 87.5% and 89.6% (regional), and 3.2%, 67.5% and 74.5% (distant), respectively. After surgical treatment, the overall 5-year RS and 5-year CRS for 5-year survivors were 86.6% and 95.4% (localized), and 52.4% and 89.4% (regional), respectively.
Conclusions : The longer the patient survives, the probability of survival for gallbladder cancer increases. Approximately 90% of patients with localized or regional stage disease survive if the patient survived the first 3 years. However, initial stage has impact on long-term prognosis even if the patient survived the first 5 years.
Methods : Data from 40,774 individuals diagnosed with gallbladder cancer between 1999 and 2021 were obtained from the Korea Central Cancer Registry. SEER stage information was available from the year 2006. The X-year CRS of Y-year survivors represents the probability of surviving additional X years among those who have already survived the first Y years.
Results : The 5-year relative survival rates (RS) between 1999–2021 was 29.9%. In the period 2006–2021, 15.0%, 28.0%, and 27.3% had localized, regional and distant stage disease. The 5-year RS, 2-year CRS for 3-year survivors (probability of surviving an additional 2 years among those who have already survived the first 3 years) and 5-year CRS for 5-year survivors were 76.4%, 95.6% and 94.7% (localized), 37.4%, 87.5% and 89.6% (regional), and 3.2%, 67.5% and 74.5% (distant), respectively. After surgical treatment, the overall 5-year RS and 5-year CRS for 5-year survivors were 86.6% and 95.4% (localized), and 52.4% and 89.4% (regional), respectively.
Conclusions : The longer the patient survives, the probability of survival for gallbladder cancer increases. Approximately 90% of patients with localized or regional stage disease survive if the patient survived the first 3 years. However, initial stage has impact on long-term prognosis even if the patient survived the first 5 years.
SESSION
BP Best Oral Presentation
Room A 3/22/2024 1:30 PM - 2:50 PM