| 1. | Vuik FE, Nieuwenburg SA, Bardou M, et al. Increasing incidence of colorectal cancer in young adults in Europe over the last 25 years. Gut, 2019, 68(10): 1820-1826. | 
				                                                        
				                                                            
				                                                                | 2. | Arnold M, Sierra MS, Laversanne M, et al. Global patterns and trends in colorectal cancer incidence and mortality. Gut, 2017, 66(4): 683-691. | 
				                                                        
				                                                            
				                                                                | 3. | 龔佳祺, 劉瑩, 曾渝, 等. 結直腸癌患者的就診年齡與術前腫瘤相關特征的關系: 基于DACCA的真實世界數據研究. 中國普外基礎與臨床雜志, 2022, 29(3): 362-370. | 
				                                                        
				                                                            
				                                                                | 4. | 汪曉東, 劉健博, 李立. 數據庫建設第五部分: 結直腸癌的腫瘤特征—模塊的設計(二). 中國普外基礎與臨床雜志, 2020, 27(4): 483-488. | 
				                                                        
				                                                            
				                                                                | 5. | 汪曉東, 劉健博, 李立. 數據庫建設第六部分: 結直腸癌分期的標簽與結構化. 中國普外基礎與臨床雜志, 2020, 27(7): 873-879. | 
				                                                        
				                                                            
				                                                                | 6. | 汪曉東, 朱佳怡, 李立. 數據庫建設第十一部分: 結直腸癌隨訪的標簽與結構化. 中國普外基礎與臨床雜志, 2021, 28(10): 1353-1359. | 
				                                                        
				                                                            
				                                                                | 7. | Wolf AMD, Fontham ETH, Church TR, et al. Colorectal cancer screening for average-risk adults: 2018 guideline update from the American Cancer Society. CA Cancer J Clin, 2018, 68(4): 250-281. | 
				                                                        
				                                                            
				                                                                | 8. | Ladabaum U, Dominitz JA, Kahi C, et al. Strategies for Colorectal Cancer Screening. Gastroenterology, 2020, 158(2): 418-432. | 
				                                                        
				                                                            
				                                                                | 9. | LI J. Digestive cancer incidence and mortality among young adults worldwide in 2020: A population-based study. World J Gastrointest Oncol, 2022, 14(1): 278-294. | 
				                                                        
				                                                            
				                                                                | 10. | Zhao L, Bao F, Yan J, et al. Poor prognosis of young patients with colorectal cancer: a retrospective study. Int J Colorectal Dis, 2017, 32(8): 1147-1156. | 
				                                                        
				                                                            
				                                                                | 11. | Liu XY, Kang B, Cheng YX, et al. The short-term and oncologic outcomes of younger vs older colorectal cancer patients undergoing primary surgery: a propensity score matching analysis. BMC Cancer, 2022, 22(1): 153. doi: 10.1186/s12885-022-09246-4. | 
				                                                        
				                                                            
				                                                                | 12. | Wang L, Hirano Y, Heng G, et al. Better cancer-specific survival in younger patients with stage Ⅲ colorectal cancer: a propensity score matching study from Japan. Anticancer Res, 2020, 40(8): 4365-4372. | 
				                                                        
				                                                            
				                                                                | 13. | Wong SW, Ling DY, Yeow RQ, et al. Clinicopathological patterns and survival outcomes of colorectal cancer among young adults in Malaysia: an institutional cohort study. Singapore Med J, 2021, 62(12): 636-641. | 
				                                                        
				                                                            
				                                                                | 14. | Mcclelland PH, Liu T, Ozuner G. Early-onset colorectal cancer in patients under 50 years of age: demographics, disease characteristics, and survival. Clin Colorectal Cancer, 2021 Nov 27: S1533-0028(21)00123-7. doi: 10.1016/j.clcc.2021.11.003. | 
				                                                        
				                                                            
				                                                                | 15. | McCleary NJ, Zhang S, Ma C, et al. Age and comorbidity association with survival outcomes in metastatic colorectal cancer: CALGB 80405 analysis. J Geriatr Oncol, 2022 Jan 29: S1879-4068(22)00007-8. doi: 10.1016/j.jgo.2022.01.006. | 
				                                                        
				                                                            
				                                                                | 16. | Mauri G, Sartore-Bianchi A, Russo AG, et al. Early-onset colorectal cancer in young individuals. Mol Oncol, 2019, 13(2): 109-131. | 
				                                                        
				                                                            
				                                                                | 17. | Shemesh-Bar L, Kundel Y, Idelevich E, et al. Colorectal cancer in young patients in Israel: a distinct clinicopathological entity? World J Surg, 2010, 34(11): 2701-2709. | 
				                                                        
				                                                            
				                                                                | 18. | Zlobec I, Lugli A. Prognostic and predictive factors in colorectal cancer. Postgrad Med J, 2008, 84(994): 403-411. | 
				                                                        
				                                                            
				                                                                | 19. | 呂炘沂, 劉健博, 謝欣然, 等. 基于傾向評分匹配的患者依從性對結直腸癌新輔助治療療效的影響. 實用醫學雜志, 2020, 36(22): 3104-3109. | 
				                                                        
				                                                            
				                                                                | 20. | Patel SG, May FP, Anderson JC, et al. Updates on age to start and stop colorectal cancer screening: recommendations from the U. S. multi-society task force on colorectal cancer. Am J Gastroenterol, 2022, 117(1): 57-69. | 
				                                                        
				                                                            
				                                                                | 21. | Fu JF, Huang YQ, Yang J, et al. Clinical characteristics and prognosis of young patients with colorectal cancer in Eastern China. World J Gastroenterol, 2013, 19(44): 8078-8084. | 
				                                                        
				                                                            
				                                                                | 22. | Ahnen DJ, Wade SW, Jones WF, et al. The increasing incidence of young-onset colorectal cancer: a call to action. Mayo Clin Proc, 2014, 89(2): 216-224. |