[X-ray studies in the early diagnosis of stomach cancer].

The work was undertaken to find out by means of serial roentgenological investigations of the stomach in specially high cancer risk age groups whether it is possible, using the mentioned method, to improve the results of early diagnosis of gastric cancer. Also, the following problems were discussed: reliability of the method in question for recognition of the early forms of gastric cancer, the rate of precision of the used technic, the possibility to employ the method as wide-scale search test.