During the past decade, the prognosis of bone and soft tissue tumors has improved considerably. This progress has not only been due to improved therapeutics and diagnostic methods but also due to a team approach now universally adopted. Comparison of results, possible today, were hampered in the past by lack of a clinically relevant staging system and definitive treatment proto cols. The complexity of the therapeutic management of bone tumors re quires a constant exposure to tumors, highly skilled diagnostic tech niques, and specialized expertise. It is therefore not surprising to learn that...