Can small cell lung cancer be treated with umbilical cord blood in advanced stages?

  Patient: Male, 55 years old, onset of disease at the end of 2008, previously treated in the oncology department of Xiangfan Central Hospital. He has been undergoing chemotherapy and radiotherapy, but the results are not good and the disease is deteriorating. Is there any better way to extend my father’s life in this case? Is it possible to use the child’s umbilical cord blood for treatment?  Doctor: There is no definite data from a large number of clinical studies to prove the effectiveness of cord blood.