renal pelvisListen to pronunciation(REE-nul PEL-vus)The area at the center of the kidney. Urine collects here and is funneled into the ureter, the tube that connects the kidney to the bladder.More InformationTransitional Cell Cancer of the Renal Pelvis and Ureter TreatmentSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#