HAVCR1 and kidney cancer: Over a follow-up period exceeding 11 years, 24 proteins were significantly associated with kidney cancer risk (P < 0.05, Bonferroni-corrected for 2911), with Hepatitis A Virus Cellular Receptor 1 (HAVCR1) exhibiting the most statistically significant association (HR = 3.18, 95% CI: 2.70–3.74, P = 1.11 × 10−40).