The participation of Polish physicians in research on the etiology and pathogenesis of malignancies at the turn of 20th century

At the turn of 20th century there were two theories of carcinogenesis: the theory of local origin and the parasitic theory. Polish scientists such as Zdzisław Dmochowski, August Kosiński, Leon Karwacki, Albert Adamkiewicz and Julian Steinhaus took part in research on the etiology of malignancies.