Proportion of respondents who routinely prescribe in-hospital thromboprophylaxis for the average patient undergoing oncological lung resection. AATS: American Association of Thoracic Surgery; ASA: acetylsalicylic acid; CSTCS: Chinese Society for Thoracic and Cardiovascular Surgery; DOACs: Direct-acting Oral AntiCoagulants; ESTS: European Society of Thoracic Surgeons; JACS: Japanese Association for Chest Surgery; LMWH: low-molecular-weight heparin; SCDs: sequential compression devices; TEDs: compression stockings; UFH: unfractionated heparin.