Case report: Toripalimab plus anlotinib in postoperative recurrent renal pelvic sarcomatoid urothelial carcinoma - Hu, Xinrong; Deng, Lin; Pan, Yufei; Zhang, Guozhen; Ruan, Xiaolan; Jiang, Xinlan; Shen, Hao; Zhao, Lei; Dong, Jun (Frontiers in Oncology, 2024)