The Historical Perspective of Gastric Cancer -- Epidemiology of Gastric Cancer -- Molecular Mechanisms in Gastric Carcinogenesis -- Pathology of Gastric Cancer -- Role of HER2 in Gastric Cancers -- Pathophysiology of Hereditary Diffuse Gastric Cancer -- Western Perspective and Epidemiology of Gastric Cancer -- Diagnosis, Staging and Workup of Gastric Cancer -- Endoscopy and Endoscopic Ultrasound Examination of the Stomach -- The Role of Staging Laparoscopy and Peritoneal Cytology in Gastric Cancer -- Endoscopic Resection for Gastric Cancer -- Methods of Reconstruction - BI, BII, Roux-en-Y, Jejunal Interposition, Proximal Gastrectomy and Pouch Reconstruction -- Lymphadenectomy - D1, D2 and D3 -- Open Methods of Resection and Reconstruction for Subtotal and Total Gastrectomy -- Laparoscopic Methods of Resection and Reconstruction for Subtotal and Total Gastrectomy with D2 Lymphadenectomy -- Robotic Methods of Resection and Reconstruction for Subtotal and Total Gastrectomy with D2 Lymphadenectomy -- Managing Early and Late Postoperative Complications Following Gastric Surgery -- Hereditary Diffuse Gastric Cancer -- Surveillance after Gastric Resection -- Surgical Trials for Gastric Cancer -- Neoadjuvant and Adjuvant Treatment - Strategies and Clinical Trials - Western Perspective -- Adjuvant and Neoadjuvant Treatment: Standard Treatment and Clinical Trials in the East -- Radiation Treatment for Gastric Cancer -- Targeted Therapy and Novel Agents for the Treatment of Gastric Cancer:  A View towards the Future.