Zabrocka, Ewa, Ewa Sierko, and Marek Z. Wojtukiewicz. “A Case of Renal Cell Carcinoma Metastases to the Neck After Long-Term Latency in the Setting of Chronic Lymphocytic Leukemia Progression”. European Journal of Oncology and Environmental Health 21, no. 4 (February 20, 2017): 251–253. Accessed July 3, 2025. https://mail.mattioli1885journals.com/index.php/EJOEH/article/view/4461.