A malignant neoplasm involving the ureter. The disease is MONDO_0008627 (ureter cancer). Also known as: cancer of ureter, malignant neoplasm of the ureter, malignant neoplasm of ureter, malignant tumor of the ureter, malignant tumor of ureter, malignant tumour of the ureter, malignant tumour of ureter, malignant ureter neoplasm.