Objective: To describe a clinical case of Stromal Gastrointestinal Tumor, highlighting the diagnostic characteristics and a 5-year follow-up of the patient after surgery. Case report: A 51-year-old patient presented with a tumor in the stomach region, diagnosed by the clinic, associated with imaging and immunohistochemistry, in which a partial abdominal gastrectomy was performed for total tumor removal and after a surgical procedure pharmacological treatment with GLIVEC chemotherapy for 3 years, with cure. Final considerations: Gastrointestinal stromal tumors are very common mesenchymal tumors in the region of the gastrointestinal tract. Its severity is known and investigated through the clinic for diagnosis, associated with imaging and immunohistochemistry analysis, in order to observe the tumor markers, mainly the c-KIT. The treatment involves several modalities seeking to improve the patients' quality of life and, generally, they present a good prognosis.