Relationship between ABO blood group and lymph node metastasis in colon cancer: a retrospective cohort study

Key Points

• Lymph node metastasis rates differ significantly by ABO blood group in colon cancer.
• Patients with blood group A show a 35% increase in lymph node involvement compared to blood group O.
• Retrospective cohort study utilizing clinical data from colon cancer patients across multiple centers.
• Findings highlight the necessity for further studies on blood group impact on cancer progression.