Does pretreatment elevated calcitonin level cause the poor prognosis in patients with medullary thyroid cancer? - Zhang, Han; Zhang, Daqi; Sui, Chengqiu; Li, Jingting; Li, Canxiao; He, Qiao; Du, Rui; Zhao, Yishen; Fu, Yantao; Zhou, Le; Wang, Tie; Dionigi, Gianlorenzo; et al. (Annals of Translational Medicine, 2022)