Cooperationking is a major factor in increasing survival rates in Hodgkin's disease. Undisciplinary management of Hodgkin's disease is no longer acceptable; the "old style" tumor board where specialists competed for cases is moving toward "staging conferences." The internist, radiation therapist, surgeon, diagnostic radiologist, and pathologist carefully assess the findings and jointly decide upon treatment. The definition of stage of disease is meaningful in determination of the sequence of therapeutic steps and in the reporting of end results.
For these reasons, the remainder of this comment will deal with the reclassification of Hodgkin's disease that was developed in Ann Arbor, Mich in 1971 and presented publicly in St. Louis, Mo, from Oct 7 to 9,1971, at an informational symposium on Hodgkin's disease sponsored by the Cancer Clinical Investigation Review Committee of the National Cancer Institute.74 The old classifications are presented in Fig 1 and Table 81, 75-77; some considerations