Gastric cancer is the fourth most common cancer in the world. Most gastric cancers are diagnosed in advanced stages, and the prognosis remains poor. The 5-year survival rate is 40-60% in eastern countries and around 25% in the west. Among advanced gastric cancer cases, peritoneal implantation is one of the most common forms of metastasis and around 14% of cases present peritoneal metastases at initial diagnosis, presenting a survival of 3-6 months. Until the early 1990s it was considered a terminal disease. But today these patients have some opportunities to be treated with curative intent or...