Key drivers for each region include: for North America, demographics with a high prevalence of breast cancer, ecosystem maturity with established healthcare systems, and infrastructure with advanced diagnostic facilities; for Europe, policies supporting cancer research, adoption of innovative treatments, and investments in clinical trials; for Asia Pacific, infrastructure development, demographics with a large and growing population, and ecosystem maturity with increasing awareness of breast cancer; for Latin America, policies aimed at improving healthcare access, investments in cancer treatment facilities, and adoption of generic versions of TKIs; and for Middle East & Africa, infrastructure development, policies supporting healthcare expansion, and demographics with a growing population.