This textbook is intended for professional educational purposes only. The information contained herein is for informational use and should not be construed as medical advice, diagnosis, or clinical instruction. While the content is grounded in established scientific evidence, oncology is a rapidly evolving field; clinical decisions must always be made by qualified healthcare professionals based on individual patient assessment, current regulatory guidelines, and standard-of-care protocols. The publisher and author assume no responsibility for the application of these concepts in clinical practice.