[Roentgen diagnosis of the large intestine with special reference to the double-contrast method and its significance in tumor diagnosis].

In the X-ray examination of the large intestine by means of the retrograde contrast medium enema on extreme filling radiographs as well as on radiographs of the mucous membrane small tumours can be overseen. The same applies to the peroral demonstration of the large intestine. Better results are yielded by the double contrast method.

[Clinical and radiological appearance of early gastric cancer in comparision with endoscopical and surgery findings (an analysis of 40 cases) (author's transl)].

Forty cases of so-called early gastric cancer were investigated for their clinical symptomatology and radiological appearance. The essential symptoms are noncharacteristic abdominal pain and weight loss. Polypoid early cancer and depressed types which appear to be benign are problematical for x-ray diagnosis.

[Problems in the diagnostic of primary gastric stump cancer and recurrences of gastric cancer. A comparison of X-ray diagnostic and endoscopy (author's transl)].

X-ray findings and gastroscopic findings of patients with primary gastric stump cancer and recurrences of gastric cancer are compared. These findings are compared with the observations of operations. The reasons of false diagnoses and doubtful tentative diagnoses were analyzed.