Abstract
To the Editor.— About the article by Wynder and Mabuchi, Etiological and Environmental Factors, concerning esophageal cancer (226:1546, 1973), I would like to report that in some areas of my country, especially in the south states, such as Parana, Santa Catarina, and Rio Grande do Sul, some cases of cancer of the esophagus are related with the habit many people have of drinking mate tea without sugar, in a gourd through a silver straw, at very hot temperature ( chimarrao ). I think, as do some Brazilian surgeons (G. V. Artigas, MD, F. C. Becker, MD, unpublished data), that the high temperature of the tea and the assiduity of the habit (daily for many years) account, at least in part, for the prevalence of cancer of the esophagus in these people.
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