Abstract
The differential diagnosis between a new or recurrent gastric neoplasm and an operatively produced deformity in a stomach after subtotal gastrectomy is often difficult. In three of the four cases presented, gastroscopy visualized the areas of distortion and showed that they were due to plication deformities. The latter caused heavy ridges or bulging folds which simulated tumor growths. In the fourth case the differential diagnosis could not be made, and laparotomy had to be resorted to for diagnosis. These difficulties could be avoided if, after subtotal gastrectomy, serial gastrointestinal roentgenograms were made routinely before the patient is discharged from the hospital or shortly there-after, for this would make x-ray records of surgically created distortions available for future comparison in each case.

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