The radium discovered by Maria Skłodowska-Curie soon began to be used to treat cancer. The development of Polish radiology, and later also oncology, was possible thanks to her students, the researchers and physicians, Franciszek Łukaszczyk and Tadeusz Koszarowski. by Ewelina Szpak   At the beginning of the 20th century, tumors were recognized as a serious…