Effect of Adjuvant Chemotherapy on Survival Among Patients with Stage IIA Colorectal Cancer Following Radical Surgery: A Propensity Score-Matching Study Using the SEER Database

To explore the effect of adjuvant chemotherapy on the overall survival (OS) and cancer cause-specific survival (CSS) in patients with AJCC stage IIA colorectal cancer. Date of patients with stage IIA colorectal cancer who underwent radical surgery without radical therapy or preoperative chemotherapy were retrieved from the Surveillance, Epidemiology, and End Results database. Propensity score matching (1:1) was performed, yielding a cohort of 14819 patients. The 3-, 5- and 7- year OS rates in...