Additional file 1: Table S1. The summary of detailed search keywords. Table S2. PRISMA checklist. Table S3. The pooled breast cancer detection rates in different subgroups of organized screening programs (China, 2010-2023). Table S4. The pooled early-stage (0–II) breast cancer detection rates in different subgroups of organized screening programs (China, 2010-2023). Table S5. The pooled proportion of early-stage (0–II) breast cancer in different subgroups of organized screening programs (China, 2010-2023). Figure S1. Forest plot of pooled breast cancer detection rate (China, 2010-2023) (A) opportunistic screening; (B) population screening. Figure S2. Forest plot of pooled early-stage (0–II) cancer detection rate (China, 2010-2023) (A) opportunistic screening; (B) population screening. Figure S3. Forest plot of pooled the proportion of early-stage (0–II) cancer (China, 2010-2023) (A) opportunistic screening; (B) organized screening