A primary or metastatic malignant neoplasm that affects the renal pelvis.
Synonyms:
exact_synonym:
cancer of renal pelvis; malignant neoplasm of renal pelvis; malignant neoplasm of the renal pelvis; malignant renal pelvis tumor; malignant renal pelvis tumour; malignant tumor of renal pelvis; malignant tumor of the renal pelvis; malignant tumour of renal pelvis; malignant tumour of the renal pelvis; renal pelvis cancer