Abstract
To the Editor.— The MEDICAL NEWS article Cancer Mortality Among Indians Remains Low (221:550, 1972), which quotes data of Drs. Edward T. Creagan and Joseph F. Fraumeni, presents some important observations. However, the report also stresses the statistical evidence that the death rate for cancer is much lower for American Indians than for other residents of the United States. That conclusion is at variance with the findings of others for many of the major tribes in which almost all of the members have complete Indian ancestry. My data, which have been derived from 14 years of personal observation, and the published studies of Reichenbach 1 have revealed no ageadjusted deficit of cancer at the Phoenix Indian Medical Center (PIMC) among southwestern Indians, 94% of whom were putatively full-blooded, (M. L. Sievers, unpublished data). However, the primary sites involved varied greatly between the Indians and the non-Indians. In southwestern Indians, cancer
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