After conventional gastroscopy and biopsy the endoscopic ultrasonography (EUS) was performed in 115 patients with gastric ulcer and carcinoma. The markers of benignity and malignity were analyzed by EUS, and the criteria of benign and malign excavated lesions were described. On the base of endoscopic pictures 3 groups of gastric excavations were distinguished, and the recorded images of this excavations were reevaluated. Benign ultrasonic markers were detected in one case of excavated tumors, in 54% in group of ulcers with suspicion of malignity and in 82% in cases of benign ulcers. Authors evaluate the cause of overestimate. Ten cases of early gastric cancers are reported. Authors believe that the endosonographic examinations of the stomach are valuable in detecting and stating of gastric carcinoma.