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with uneven contours (white arrow), stomach capacity is decreased considerably, uneven contours (black arrows). c Stomach X-ray (double contrast, horizontal position, anterior projection): the walls are rigid, the capacity decreased significantly (arrows), markedly accelerated evacuation, contrast medium drops straight to the duodenum; d Stomach X-ray (double contrast, horizontal position, left oblique projection) after additional intake of gas-producing mixture and barium meal: thick walls of the stomach body and the upper part; rigid due to circular infiltration (arrows). Conclusion: infiltrative cancer of the stomach spreading to the abdominal segment of the esophagus. Control endoscopy and histological examination of tumor samples failed to reveal tumor cells. e Computed tomogram of the stomach (native study in supine position) at the level of the abdominal segment of the esophagus: walls of the abdominal esophagus are thick due to intramural infiltration (arrow). f Computed tomogram of the stomach (native study, supine position) at the level of the upper third of the stomach body: the walls of the upper part are thick due to circular intramural infiltration (white arrow); infiltration extends to the esophagus (black arrow). Conclusion: infiltrative cancer of the stomach with spread to the abdominal segment of the esophagus. g Macrospecimen of a resected stomach: inner cavity is diminished, walls are thick and firm due to circular intramural infiltration which extends onto the esophagus (arrows). h Fragment of a macrospecimen (strip): stomach wall is thick due to intramural infiltration (arrows). Histologically, a signet-ring cell carcinoma

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