Chang explains that oncology is a difficult and unrewarding specialty. Many of the patients a doctor deals with are terminal, so it is a very frustrating field. Besides that, National Health Insurance payments are low.
張俊彥進一步說明，腫瘤科是辛苦又吃力不討好的科，醫師經常要面對病人死亡的問題，挫折感很重。