Chang Jang-yang says that there is still no final word on many forms of cancer treatment, and in the past each hospital had its own specialty. Without consensus, it has proved impossible to improve the overall quality of cancer treatment.
張俊彥指出，很多癌症治療目前仍無定論，過去醫院各顯神通、缺乏共識，癌症治療水準因而無法全面提昇。