1. Sarcomatoid Variant of Urothelial Carcinoma of the Renal Pelvis with Inferior Vena Cava Tumour Thrombus: A Case Report and Literature Review
    Sameera Rashid et al, 2018, Case Reports in Pathology CrossRef
  2. Case report: Sarcomatoid urothelial carcinoma of the renal pelvis masquerading as a renal abscess
    Yaru Chu et al, 2023, Front. Oncol. CrossRef
  3. Renal pelvis sarcomatoid carcinoma with renal vein tumor thrombus: A case report and literature review
    Huai-Yong Guan et al, 2023, World J Clin Cases CrossRef