Massive Occlusion of the Main Pulmonary Artery and Its Primary Branches with Subsequent Cor Pulmonale

A case of massive occlusion of the main pulmonary artery and its branches was reported, A case of this type is quite rare because of the long duration of the process from the initial episode.The pulmonary artery occlusion in this case was considered to be derived from the leg vein thrombosis.