Dr. Kim Kyungha is a highly proficient oncologist practicing at Soonchunhyang University Hospital in Seoul, South Korea. Known for his competence and expertise in the field, Dr. Kim Kyungha provides comprehensive oncological care, demonstrating a commitment to the well-being of his patients. Specializing in cervical spine disorders and nerve injuries, Dr. Jae Chil Chang is a distinguished Specialist Professor and Medical Doctor operating in the 21st-century medical landscape. Recognizing that nerve injuries and cervical spine disorders are not uncommon, Dr. Chang brings his extensive knowledge to address these issues, considering factors such as aging, neck injuries, and genetic predispositions. Dr. Chang began his medical journey with an internship at Soon Chun Hyang University Hospital in Seoul, followed by graduation from the University of Soon Chun Hyang in Asan, Chungnam, Korea. He has gained widespread respect and experience through active participation in seminars and serving as a prominent guest speaker. Certified in various research on nerve injuries, Dr. Chang's specialization extends to his groundbreaking work on predicting outcomes in diffuse axonal injury patients. Widely acknowledged for his professionalism, punctuality, and passion for patient care, Dr. Jae Chil Chang has successfully treated numerous patients, ensuring their complete recovery. His commitment to safe and effective treatments has garnered him excellent feedback from patients, who consistently praise his medical expertise and recommend his services for a healthier life.