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□ Fig. 58a-e. Patient V., age 54. Diagnosis: gastric cancer. a Double contrast (tight filling, vertical position, anterior projection): the lesser curvature of the body is depressed, its contour is uneven, in the form of a small prolapse into the stomach cavity (arrow). b, c Stomach roentgenograms (tight filling, vertical position, anterior projection): the contour of the lesser curvature is uneven and eroded (arrows). d Stomach roentgenogram (double contrast, horizontal position, anterior projection): the wall of the lesser curvature is thickened and rigid due to intramural infiltration (arrows). Conclusion: Infiltrative cancer of the stomach body. e Endophotograph: the lesser curvature of the stomach body is straightened, rigid, with rough surface; the mucous membrane is grayish pink. Histological examinations of bi-optates verified adenocarcinoma with the signet-ring cell component

□ Fig. 59a-e. Patient A., age 61. Diagnosis: gastric cancer. a, b Stomach roentgenograms (tight filling, vertical position, anterior projection): contour of the lesser curvature is uneven (arrow). c Stomach roentgenogram (double contrast, horizontal position, anterior projection): wall of the lesser curvature is thickened and rigid due to infiltration (arrow); body folds are hyperplastic, unable to unfold completely with double contrast. d Stomach roentgenogram (double contrast, horizontal position, left oblique projection): hyperplasia and infiltration of the stomach body folds (arrows). Conclusion: Infiltrative cancer of the stomach body. e Endophotograph: gigantic folding (hyperplastic) type of infiltrative gastric cancer. Histological study of bioptates confirmed signet-ring cell carcinoma

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