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Page 6 of 9                                              Lugaresi et al. Hepatoma Res 2018;4:67  I  http://dx.doi.org/10.20517/2394-5079.2018.88



                           100
                                                                            Control

                            80                                              Immunotherapy



                            60
                      Survival (%)  40                                     P < 0.0001





                            20



                             0
                                0        10       20       30       40       50       60

                                                        Months

               Figure 3. Kaplan-Meier survival analysis of patients with advanced hepatocellular carcinoma (endolympahtic immunotherapy vs. control
               group) (P < 0.0001)

                           100                                                     12 cycles

                                                                                   ≤ 6 cycles
                            80
                                                                                   Control


                         Survival (%)  60


                            40


                            20



                             0
                               0                 20                 40                 60
                                                        Months

               Figure 4. Kaplan-Meier survival analysis of patients with advanced hepatocellular carcinoma according to cycles of immunotherapy
               therapy and compared to control group (P = ns)

               poor prognostic factors but are necessary larger studies to define the exclusion criteria of the patients for
               endolymphatic immunotherapy.


               DISCUSSION
               HCC is a complex and heterogeneous tumor with multiple genetic aberrations. Several molecular pathways
               involved in the regulation of proliferation and cell death are implicated in the hepatocarcinogenesis in
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