Intraperitoneal chemotherapy
                        Procedimento
                      
                     
                   
                    Patients will undergo intraperitoneal chemotherapy with Paclitaxel (4 cycles) associated with systemic chemotherapy. After treatment, patients will be reassessed and if there is a peritoneal response, they will undergo gastrectomy
                 
                
                
                  
                    
                      
                        
Intraperitoneal chemotherapy
                        Combinação de produtos
                      
                     
                   
                    Patients will undergo intraperitoneal chemotherapy with Paclitaxel (4 cycles) associated with systemic chemotherapy. After treatment, patients will be reassessed and if there is a peritoneal response, they will undergo gastrectomy