malignant urinary system neoplasm (MONDO_0006295) is a primary or metastatic malignant tumor involving the urinary system. Common tumor types include carcinomas, lymphomas, and sarcomas. Also known as: cancer of renal system, malignant neoplasm of renal system, malignant renal system neoplasm, malignant urinary tract neoplasm, renal system cancer, urinary system cancer.