Chumachenko Nadezhda Alekseevna RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiasenior teacherfiz-kafedra@yandex.ru Author's articles Geoecological Situation in Saratov and its Possible Impact on Cancer Incidence Population Oncological and Geographical Research in Saratov: Results and Prospects Geoinformational Mapping of Medico-ecological Situation in Large industrial City (by the Example of Balakovo City)