Non-O Blood Type May Increase VTE Risk in Patients With CancerNon-O blood type appears to be associated with a higher risk of venous thromboembolism (VTEs) in some patients with cancer. Medscape Medical Newsadminabril 28, 2022Uncategorized Non-O blood type appears to be associated with a higher risk of venous thromboembolism (VTEs) in some patients with cancer. Medscape Medical News