The intractable angina patient. Some patients can't be revascularized with PCI or CABG.
D000787:Angina Pectoris / Q000601:surgery*; D015906:Angioplasty, Balloon, Coronary; D001026:Coronary Artery Bypass; D006801:Humans; D010148:Intractable Pain / Q000601:surgery*