The inclusion criteria were as follows: the expression level of AFAP1-AS1 detected in DSC; correlation analysis between AFAP1-AS1 expression and overall survival (OS), disease-free survival/progression-free survival (DFS/PFS), or other survival indicators; patients with cancer divided into high expression group and low expression group; hazard ratio (HR) and 95% confidence interval (95% CI) provided or calculated indirectly from the survival curve; and the research object included tissue. The gene discussed is AFAP1; the disease is cancer.