Venous ulcers and risk of occult hematological or other cancers: a nationwide cohort study

To the editor: Hematological cancers are associated with various systemic changes, including leukostasis,[1][1] plasma hyperviscosity,[2][2] immunosuppression,[3][3] and hypercoagulability.[4][4],[5][5] Because these factors have been implicated in the pathogenesis of chronic venous insufficiency,[