Cancer in Costa Rica
Sierra Ramos, Rafaela
Maxwell Parkin, Donald
Muñoz Leiva, Georgina
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Data from the national tumor registry of Costa Rica for the yeas 1979-1983 have been used to calculate incidence rates for the major cancer sites by age, sex, urban-rural residence, and geographic region. Recent trends in mortality rates are also presented. Results are compared Mutilate from elsewhere in Latin America, U. S. A., Europe, and Japan. Stomach cancer is the most frequent neoplasm in Costa Rift; although rates are declining, they are second only to those observed in Japan. There are marked variations in risk by region, suggesting important enviromental influences in etiology. The cervix is the major female site; rates are declining in young women, probably doe to the introduction of saweniog programs, although these do not seem to account for the geogeaphic variations in invasive cancer incidence. Breast and prostate cancer show moderate rates, while those for colon and rectum cancer are low; increases in mortality rates for these sites are small, and involve mainly the older age groups. In contrast, rates of lung cancer are inaeasin ' g dramatically in both sexes. In the childhood age group, very high incidence rates are observed for two neoplasms: Hodgkin's disease and acute lymphocytic leukemia.
Artículo científico -- Universidad de Costa Rica. Isntituto de Investigaciones en Salud, 1989