Prospective Evaluation of the Treatment of Cancer Associated Superficial Venous

Inclusion criteria

• Patient over 18
• Patient affiliated to a social security scheme
• Patient who understands French
• Patient with superficial venous thrombosis of the lower and upper limbs confirmed by a Doppler ultrasound less than one month old.
• Patient with active cancer:
• Cancer treatment within the last 6 months,
• Detectable tumor disease, cancer treatment within the last 6 months, ongoing hormone therapy for cancer, palliative cancer.
• The patient has received potentially non-curative cancer treatment (notably palliative chemotherapy).
• Progression shows that the cancer treatment was not curative (due to recurrence or progression under treatment) (particularly in the case of recurrence after surgery)

Exclusion criteria

• Patients under legal protection
• Patients with concomitant pulmonary embolism
• Patient with proximal or distal deep vein thrombosis
• Patient treated with anticoagulant therapy for another indication
• Patient with a contraindication to anticoagulation: Thrombocytopenia less than 30,000 elements/mm3, active bleeding or history of severe bleeding.
• Patient opposed to participation in research