Implementation of the recommendations of an expert group on national standards in mammography quality assurance. Development of national standards laboratory for mammography quality assurance. A population-based cohort of approximately 30,000 matched controls in Ontario and Quebec has been assembled to estimate the subsequent risk of cancer incidence, mortality, and survival. The cohort will be compared with the control group and with the general population.
Data collection is now complete and record linkage is being initiated.
A reference guide for breast cancer screening programs. With the provincial breast cancer screening programs, review evidence and develop statements to improve the impact of breast cancer screening in the areas of recruitment, promotion, retention, quality mammography, training, education, management, information systems. To develop and disseminate recruitment and retention tools which can be used by the provincial and territorial organized screening programs. Pooled analysis of case control studies to obtain a more precise estimate of the overall magnitude of lung cancer risk from residential radon. To determine the impact of socioeconomic status as a potential cause of the differences in lung cancer development in the Canadian population and sub-populations.