text: Patients with severe WHO functional class II or III<unk>  hypertension (PH) refractory to medical therapy are candidates for surgical intervention, such as atrial septostomy or lung transplantation.<unk>  thromboendarterectomy (PTE) is a surgical procedure that is used for chronic thromboembolic<unk>  hypertension.
option_0: Pulmonary hypertension surgery
option_1: Cardiomegaly surgery
option_2: Right heart failure surgery
option_3: Hypertrophic cardiomyopathy surgery
option_4: Tricuspid stenosis surgery
option_5: Aneurysm of sinus of valsalva surgery
option_6: Hypertrophic cardiomyopathy interventions
option_7: Pulmonary hypertension medical therapy