关键词: 肿瘤登记, 恶性肿瘤, 发病率, 死亡率, 辽宁省

Abstract: Objective The aim of this study was to analyze the prevalence of malignant tumors in the cancer registration areas of Liaoning Province in 2021. Methods The data of new malignant tumor cases and death cases of registered residents from 20 cancer registries(a total of 45 counties and districts)with the diagnosis date from January 1,2021 to December 31,2021 and meeting quality control standards were selected from the Liaoning Cancer Registration System.The incidence,mortality,age-standardized incidence rate by Chinese standard population(ASIRC),age-standardized mortality rate by Chinese standard population(ASMRC),age-standardized incidence rate by World standard population(ASIRW),age-standardized mortality rate by World standard population(ASMRW)and cumulative rate(0-74 years old)and other indicators were calculated. Results In 2021,the incidence of malignant tumors in cancer registration areas of Liaoning Province was 443.07/100,000,the ASIRC was 217.60/100,000,and ASIRW was 208.39/100,000.The ASIRC in urban areas was 228.27/100,000,higher than that in rural areas(194.82/100,000).The ASIRC in females was 227.56/100,000,higher than that in males(210.41/100,000).The age specific incidence of malignant tumors was on the rise,reaching the peak in the age group of 80-84 years(1,848.69/100,000 in urban males,1,230.70/100,000 in urban females,1,769.39/100,000 in rural males,and 1,052.10/100,000 in rural females).In 2021,the top five cancer types in the incidence of malignant tumors in cancer registration areas of Liaoning Province were lung cancer,female breast cancer,colorectal cancer,thyroid cancer,and liver cancer.In 2021,the mortality of malignant tumors in cancer registration areas in Liaoning Province was 246.64/100,000,with the ASMRC of 99.33/100,000 and ASMRW of 98.72/100,000.The ASMRC in rural areas was 99.97/100,000,slightly higher than that in urban areas(98.93/100,000).The mortality in males was 130.38/100,000,which is higher than that in females(71.83/100,000).The age-specific mortality of malignant tumors was on the rise,with the peak in the 80-84 age group in rural areas(1,888.70/100,000 for males and 1,059.60/100,000 for females).In 2021,the top five cancer types of malignant tumors mortality in cancer registration areas of Liaoning Province were lung cancer,colorectal cancer,liver cancer,stomach cancer,and female breast cancer. Conclusions At present,the burden of malignant tumors in Liaoning Province is relatively serious,and practical prevention and control measures should be taken against the common key cancers such as lung cancer,breast cancer,and colorectal cancer,etc.,including strengthening health education,guiding residents to change unhealthy lifestyles,and expanding the coverage of cancer screening population,to reduce the risk of malignant tumors incidence and mortality in Liaoning Province.

Key words: Cancer registration, Malignant tumors, Incidence, Mortality, Liaoning Province