Non-Hodgkin lymphoma is a heterogeneous group of malignant lymphoid tumors. Hemostasis disorders in non-Hodgkin lymphoma are often asymptomatic but can develop into severe complications. The risk of venous thromboembolism increases according to the totality of risk factors assessed directly in each individual patient, based on age, gender, comorbidities, performance status, and both congenital and acquired thrombophilia