Orthopedic Tumor Surgery Global Community
Dedicated to Providing Patients Extraordinary Holistic Care Founded In Education, Research, and Innovation™
Education, Research, and Innovation
Showcasing comprehensive and new information, ongoing research, and innovation for patients, residents, students, and other orthopedic practitioners.
Our Mission
Bringing valuable, up-to-date resources and news to patients & orthopedic oncologists worldwide.
Established nearly two decades ago by renowned surgeon, healer, teacher, executive, and entrepreneur James C. Wittig, MD, and serving tens of thousands of orthopedic surgeons, oncologists, medical students, residents, researchers, and more, our new media platform was launched in August 2025. It is sponsored by Mandala Medical Group based in New Jersey.
Subscribe and enjoy the many benefits of membership including industry news and views.
Who We Are
Educators. Researchers. Innovators.
Our Founder
Dr. James C. Wittig is an American oncological orthopedic physician, surgeon, healer, educator, mentor, innovator, purpose-driven entrepreneur, impact investor, animal rights advocate, and humanitarian.
Read the Textbook
Step-by-step descriptions of surgical techniques for the management of bone and soft-tissue tumors of the extremities shoulder and pelvic girdle sarcomas new, sophisticated, multimodality procedures for truncal and abdominal sarcomas.
Online Courses
Learn about the various types of tumors through our online courses, which include videos, visuals, and PDF documents to help you better understand specific cases.
Mandala Medical Group
Founded by Dr. James C. Wittig, MD, Mandala Medical Group represents a range of businesses and a non-profit foundation, all centered on improving patient health, wellness, and longevity. MMG is mission-driven organization with a respected and growing team, all of whom are like-minded, compassionate, and committed professionals.
Community Blog
The Global Tumor Surgery Community Blog
Aneurysmal Bone Cyst (ABC): Understanding This Benign but Aggressive Bone Lesion
An Aneurysmal Bone Cyst (ABC) is a benign but aggressive bone lesion that can cause swelling, pain, and fractures. Learn about its symptoms, diagnosis, and treatment options from the Tumor Surgery Network.
Adamantinoma: A Rare Bone Tumor of the Tibia Explained
Adamantinoma is a rare, slow-growing bone tumor that most often affects the tibia. This article explains its symptoms, diagnosis, treatment options, and long-term prognosis.
A New Era in Orthopedic Oncology Education: How Dr. James C. Wittig and Mandala Media Are Transforming Patient Learning
Tumor Surgery is proud to share the launch of Orthopedic Oncology, a new media platform developed by Mandala Medical Group and Dr. James C. Wittig. The platform provides trusted education, inspiring patient stories, and expert insights designed to empower individuals facing bone and soft tissue tumors.
Join the Community
Getting Involved
Join the Community
Join a diverse community of doctors, students, and professionals in fields of research relating to oncology.
Become a Contributor
Contribute your own articles and research to an ever growing databse of knowledge.
Meet Other Contributors
Connect with professional peers also involved in the field of tumor research.
