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D Fig. 28a-f. Patient K., age 55. Diagnosis: gastric cancer. a Stomach roentgenogram (tight filling, vertical position, anterior projection): the angular notch contour is uneven, slightly depressed (black arrow); rigid platform on the lesser curvature of the antral part of the stomach (white arrow). b Stomach roentgenogram (double contrast, horizontal position, anterior projection): broad infiltrated folds of the mucous membrane converge toward the thick wall of the antral part and the notch (arrow). c Target stomach roentgenogram (double contrast, horizontal position, anterior projection): more distinctly visualized are thick walls of the antral part of the stomach and the notch with the infiltrated folds converging toward the lesser curvature (arrow). Conclusion: Infiltrative cancer of the lesser curvature and the angular notch.

d Endophotograph: very thick folds of the gastric mucosa. The mucosa is pale pink and glassy. Deep biopsy. Histologically, a signet-ring cell carcinoma. e Macrospecimen of a resected stomach: portion of the wall of the lesser curvature is firm due to intramural infiltration (white arrow), in the direction of which thick folds converge (black arrows). f Fragment of a macrospec-imen (strip): white tumor tissue infiltrating the stomach wall to the serosa, covered on top with visually intact mucous membrane (arrows)

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