This systematic review focuses on chronic stable angina and the effectiveness of revascularization strategies such as medical therapy, percutaneous coronary intervention (PCI), and coronary artery bypass grafting (CABG). It explores the impact on patient outcomes and compares the outcomes between PCI and CABG. The review also discusses the role of various factors in the treatment of coronary artery disease and the controversies surrounding the choice of treatment. Overall, it provides valuable insights into the management of chronic stable angina.