It is presented a case of gastric cancer that penetrates the stomach wall up to the muscular layer (C.G.P.M.). In a 53 years old patient, who consulted for abdominal pain and weight lost, and who has at the present a survival of 2 1/2 years, symptom free, the radiology, endoscopic and anato-pathologic features of this disease, are analyzed. The transcendence in diagnostic of gastric cancer in this stage is emphasized.