small ulcer-simulating carcinomas accounted for 3.9 % ( 48 cases ) of the 1324 patients with carcinoma of the stomach treated at the second department of surgery , university centtive of a malignant ulcer in 52 % of the cases whereas gastroscopy combined with exfoliative gastric cytology gave 73 % correct results .
C0017195
gastroscopy
C0038351
gastric