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BACKGROUND To ascertain the quality of data entering a population-based reporting system, an essential requirement is to study levels of completeness of case-ascertainment and reporting. This study represents an effort to quantify completeness of case reporting in the SEER (Surveillance, Epidemiology, and End Results) Program of the National Cancer(More)
Factors that may enter into the completeness/incompleteness of reporting include: 1. The competence and diligence of staff. 2. Familiarity with the record systems used within each hospital department. This limited review suggested that hospitals employing their own staff for case ascertainment achieved somewhat higher completeness of reporting rates(More)
A comparison is made of the characteristics of female breast cancer patients, their diseases, and treatment practices in medical centers in Israel and the West Bank of the Jordan River. This experience is further compared with tumor registry data from a major medical center in the United States. Differences are found in the age distributions of patients,(More)
A retrospective analysis of 1,826 cases (924 colon, 902 rectal) from ten institutions provided the basis of this study on the staging of cancer of the colon and rectum. The general rules of the American Joint Committee on the relationship between times and the staging of cancer have been followed. These represent modifications of the originally formulated(More)