Cancer of the Cardiac Part - 217 Cancer of the Antral and Pyloric Parts - 238 Cancer of the Greater Curvature - 260 Cancer of the Anterior Wall - 270
According to the modern concept, the main sites of cancer localization in the stomach are believed to be its distal part, the posterior wall, and the lesser curvature. However, a large proportion of tumors originate on the greater curvature and the anterior wall of the stomach wall [28, 29, 33, 129]. This fact has not been given wide recognition owing to the old belief that these parts of the stomach are rare sites of primary cancer lesions. Therefore, we think it necessary to propose amendments to the existing structure of radiological examination of the stomach affected by tumor, based on our own experience. Our concept of the localization of gastric cancer is supported by A. Marzcell et al. (1989) and V. Eckardt et al. (1990), who point to the increasing incidence of carcinomas localized primarily on the anterior wall and the greater curvature ofthe stomach. P. Percivale et al. (1989) and J. Breaux et al. (1990) reported that cancer of the greater curvature occurs in 12.9% and cancer of the anterior wall in 8-10% of cases [99, 117].
This should stimulate a revision of the existing se-miotic and methodological concepts in the diagnosis of gastric cancer. The orientation must be the search for endophytic tumors, particularly in the upper part of the stomach, where infiltrative cancer is especially frequent [31, 33, 35, 39]. Thus, we want to describe some signs of cancer in its early stages in those parts of the stomach which are unduly neglected by the modern cancer investigation protocols.
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