Inclusion Criteria:  A resident in Sweden of 18+ years of age A Swedish Person Identification Number A diagnosis of cancer ((ICD10 = C00-C97) in the Swedish Cancer registry during 2013-2019 and a diagnosis of VTE subsequent to the cancer diagnosis.  Exclusion Criteria:  A diagnosis of atrial fibrillation, total hip or knee replacement or acute coronary syndrome (for evaluation of treatment patterns) before the date of VTE diagnosis A dispensed prescription for any oral anticoagulant (OAC) before the date of VTE diagnosis A cancer diagnosis associated with high bleeding risk