The workup and treatment of stable angina involve a comprehensive approach that includes diagnostic evaluation, lifestyle modifications, pharmacotherapy, and potentially revascularization. Diagnostic Workup: 1. Initial Assessment: This includes a detailed history and physical examination to assess the characteristics of chest pain and identify risk factors for coronary artery disease (CAD). 2. Non-Invasive Testing: Coronary computed tomographic angiography (CCTA) is recommended as a first-line d