Complex sentence: This finding suggested a causative role of the same virus in other extrahepatic manifestations of HCV infection, including autoimmune and lymphoproliferative disorders: the association of HCV with B-cell non-Hodgkin's lymphoma was firstly demonstrated in 1994.
Split into simpler sentences: This finding suggested a causative role of the same virus in other extrahepatic manifestations of HCV infection, including autoimmune and lymphoproliferative disorders. The association of HCV with B-cell non-Hodgkin's lymphoma was firstly demonstrated in 1994.