Tian Yuyang, deputy chief physician. Currently, he is a member of China Anti-cancer Association, member of lymphoma and myeloma Committee of Heilongjiang Medical Association, member of expert group of standardization construction of cancer pain in Heilongjiang Province, member of Heilongjiang Hematology Society, member of Hematology Committee of Heilongjiang Geriatric Medical Research Association, member of Heilongjiang Hematology Society of Integrated Traditional Chinese and Western Medicine, member of Heilongjiang Medical and Health International Exchange Promotion Association and member of Youth Committee of Medical Branch. He has been engaged in hematology for 16 years. He is mainly engaged in the immunotherapy of hemolymph malignant tumors and solid tumors, especially in the diagnosis and treatment of malignant lymphoma, autologous hematopoietic stem cell transplantation and microtransplantation.