Pulmonary thromboembolism in Japan is currently associated with a high mortality rate and remains a concern for patients and medical staff alike. Moreover, as the mechanisms of the condition have been elucidated, it has become clear that much work needs to be done in the field to achieve acceptable results in this country. Thus, Japan has regularly played host to the International Symposium on Pulmonary Thromboembolism . At the most recent symposium, in Sendai, the epidemiology and the treatment of pulmonary thromboembolism, traveler's thrombosis, and the prevention of deep vein...