What cause not a He2 Jie2 Jin's surname lymphoid cancer

Although majority not the surname of He2 Jie2 Jin be lymphoid cancerous of the cause can not know, the research of this aspect has been ising carry on.The researcher is investigate various circumstance, such as the organ transplant after adopt to prevent°from reject of medicine etc., can increase to suffer from lymphoid cancer of opportunity.Positive like other cancer diseases, not the He2 Jie2 Jin's surname lymphoid cancer don't have contagion, will not infect to the other people.