SUMMARYThe gastric cytological findings in 165 consecutive cases investigated for gastric carcinoma are presented.The technique of gastric cytology employing a new‐gastric lavage pump is described.Cytology enabled a correct diagnosis of malignancy in 38 of 45 proven cases of gastric carcinoma: an accuracy of 85“,. In the 120 non malignant cases, 115 were correctly diagnosed as benign; an accuracy of