The study objective was to assess the expressions of Bcl-2 and BID in gastric cancer cells depending on the sex and age of patients, histological type of tumor according to Lauren, macroscopic type according to Bormann, tumor grade (G), advancement stage (pT), tumor location in the stomach, the presence of Helicobacter pylori infection, local lymph node involvement, and the effect of Bcl-2 and BID expression in cancer cells on postoperative survival. The gene discussed is BCL2; the disease is neoplasm.