NCIt synonyms : Benign Tumor of the Renal Pelvis; Benign Neoplasm of Renal Pelvis; Benign Neoplasm of the Renal Pelvis; Benign Kidney Pelvis Neoplasm; Benign Renal Pelvis Tumor; Benign Tumor of Renal Pelvis;
NCIt definition : A neoplasm that arises from the renal pelvis and is characterized by the absence of
atypical or malignant cytological and architectural features, and absence of invasive
features or metastatic potential.;