A review of therapeutic methods used in management of various forms of cancer over the past 20 years shows a general increase in the use of surgery, accompanied by an increase in patient survival.
The review by the End Results Group correlating the experiences of more than 100 hospitals indicates, however, that the patient survival rate may be leveling off for some forms of cancer.
The End Results Group study was sponsored by the National Cancer Institute and the US Public Health Service.
The report is restricted to a description of the changes that have taken place in the frequency with which different treatment methods are used in managing different forms of cancer and the associated trends in patient survival. "No attempt is made in this report to compare the relative efficacy of different methods of treatment, because the routinely collected information does not provide sufficient detail about the characteristics