Introduction: Stomach cancer is the second in mortality and the fourth most frequent of all cancers in the world. In the recent decades, the number of patients with Signet ring cell carcinoma type has been growing. Unknown etiology with proven risk factors such as smoked and salted foods, smoking, metabolic syndrome, alcohol abuse and Helicobacter pylori infection. Five-year span survival is 20%-40%.

Case outline: Patient, 70 years old, in good health, came to the GP, because of pain she had been feeling in the lower back area for a couple of months. Sometimes she wakes up because of the pain below the chest. Belch, acid, lost three kilograms. Didn't pay any attention to the problem because earlier, due to severe osteoporosis, she had obtained a compression fracture of two vertebrae. Occult bleeding negative. Laboratory normal. Tenderness on palpation of epigastrium, the tumor mass is not palpable. Addressed immediate to esophagogastroduodenoscopy. Diagnosis: Ulcer ventriculi, region antrum. Histopathological findings: Gastric Adenocarcinoma, diffuse type, Signet ring cell. Computed tomography showed locoregional lymphadenopathy so responsible Consilium decided radical surgery and chemotherapy. Despite being treated, the patient pass away two years after the onset of the illness.

Conclusion: Primary health care workers have a big responsibility, because of nonspecific symptoms, in detection of gastric cancer. Good evaluation of patients who should be referred for esophagogastroduodenoscopy is essential. The doctor should keep in mind in the further course of treatment early postoperative complications, Dumping syndrome, appears ventral anastomosis, subocclusive disorders, gallbladders calculus formation, educate patients about nutrition, vitamins, monitor vitamin B12 and iron because patients are prone to vitamin deficiency and pernicious anemia. Psychological support for patients and their families is also very significant, through a concrete doctor-patient relationship.