“…Thrombosis despite anticoagulation could be caused by some diseases: pemphigus vulgaris [ 14 ], cancer [ 15 ], antiphospholipid antibody syndrome, obesity, a neurologic disease with extremity paresis, pregnancy, drug administration (e.g., oral contraceptives), etc. or inherited disorders: antithrombin deficiency, protein C deficiency, protein S deficiency, LFV.…”