These included age at cancer diagnosis (hazard ratio [HR]: 1.08, 95% confidence interval [CI]: 1.07–1.09, p < 0.001), duration of T2D (HR: 1.17, 95% CI: 1.14–1.20, p < 0.001), total cholesterol level (HR: 1.20, 95% CI: 1.08–1.33, p < 0.001), low‐density lipoprotein cholesterol level (LDL‐C; HR: 1.26, 95% CI: 1.12–1.41, p < 0.001), creatinine level (HR: 1.00, 95% CI: 1.00–1.00, p < 0.001), HbA1c (HR: 1.10, 95% CI: 1.02–1.19, p = 0.013), and insulin use (HR: 1.41, 95% CI: 1.01–1.98, p = 0.044). This evidence concerns the gene INS and type 2 diabetes mellitus.