Department of Oncology,Orenburg State Medical University,Orenburg 460000,Russia;
Department of Histology,Cytology,Embryology,Orenburg State Medical University,Orenburg 460000,Russia;
Department of Pathology,Orenburg State Medical University,Orenburg 460000,Russia;
Gastric cancer; Helicobacter pylori; Coccoid and spiral forms of bacteria; Rapid urease test; Relapse free survival; Overall survival;