“More Than Meets the Eye: A Case of Synchronous Ipsilateral Clear Cell Renal Cell Carcinoma and Urothelial Carcinoma of the Pelvicalyceal System and Literature Review”. Acta Biomedica Atenei Parmensis, vol. 92, no. 6, Jan. 2022, p. e2021380, https://doi.org/10.23750/abm.v92i6.11768.