In 2023, I sat in a hospital waiting room with a friend whose mother faced a breast cancer diagnosis. The oncologist mentioned genetic testing, and it felt like a window into a sci-fi future—DNA guiding treatment decisions. By 2025, genetic testing has become a cornerstone of cancer care, offering hope through precision medicine. This article dives into how genetic testing transforms cancer treatment, blending personal insights with the latest trends. Whether you’re a patient, caregiver, or curious learner, let’s explore this game-changing field. What Is Genetic Testing for Cancer? Genetic testing analyzes DNA to identify mutations linked to cancer risk…