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.

Virtual Education Center

Visit our virtual educational center to find useful and inspiring information. We welcome submissions, which will be reviewed and if accepted, published in this center.

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.

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.

Resources

Our Publication Hub

Take advantage of our Resources page, which lists dozens of publications, associations, government agencies, medical schools, applications for fellowships, CME courses, and more. Feel free to submit your information for consideration.

Read up on the latest scientific developments, access papers from the NIH and other organizations, organized by topic, and sign up for alerts as new research is promoted or published.

Community Blog

The Global Tumor Surgery Community Blog

Join the Community

Getting Involved

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Join the Community

Join a diverse community of doctors, students, and professionals in fields of research relating to oncology.

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Become a Contributor

Contribute your own articles and research to an ever growing databse of knowledge.

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Meet Other Contributors

Connect with professional peers also involved in the field of tumor research.