text: In thoracic surgery, a<unk> ,  is an operation that removes organized clotted blood (thrombus) from the<unk>  arteries. <unk>  is a treatment for chronic thromboembolic<unk>  hypertension<unk>  hypertension induced by recurrent/chronic<unk>  emboli).
option_0: Pulmonary thromboendarterectomy
option_1: Thrombectomy
option_2: Endovascular surgery
option_3: Vein stripping
option_4: TAVR procedure
option_5: Inferior vena cava filter
option_6: Carotid stenting
option_7: Hemipelvectomy