Ethical issues in non-intervention trials for thyroid cancer

摘要

In recent years, there has been an increasing number of thyroid cancers diagnosed worldwide. The reasons for this rise are certainly multi-factorial, but central to the increasing incidence are the large numbers of subclinical and very small papillary thyroid cancers found in many patients. As the implementation of screening programs in countries such as South Korea have increased, the numbers of small papillary thyroid cancers have also increased