The first state of the art session of the 2018 annual BSTH meeting focused on thrombosis. While Dr. Anna Falanga (Hopsital Papa Giovanni XXIII, Bergamo, Italy) and Dr. Cihan Ay (Medical university of Vienna, Austria) specifically addressed the close relationship between thrombosis and cancer, Dr. Walter Ageno (Ospedale di Circolo, Varese, Italy) discussed the practicalities of managing splanchnic (SVT) and cerebral vein thrombosis (CVT).