Multimodal ultrasound: a non-invasive method for identifying dedifferentiation of papillary thyroid carcinoma during active surveillance - Dou, Qian-Yi; Guo, Huan-Ling; Qiu, Wan-Bing; Xu, Ming; Chen, Shu-Ling; Zhang, Xiao-Er; Xie, Xiao-Yan; Liang, Jin-Yu (Frontiers in Oncology, 2025)