[Primary malignant non-Hodgkin's lymphoma of the stomach].

A case of a 69 years old male patient with primary malignant non-Hodgkin lymphoma is presented. The disease resembled clinically, roentgenologically and endoscopically gastric cancer. The diagnosis was proved by histologic examination which revealed lymphoblast sarcoma with significant malignancy. The etiopathogenesis, clinical, diagnostic, prognostic and therapeutic problems of malignant non-Hodgkin gastric lymphoma are discussed.