C65 - Malignant neoplasm of renal pelvis
Includes:
-malignant neoplasm of pelviureteric junction
-malignant neoplasm of renal calyces
C65.1 - Malignant neoplasm of right renal pelvis
C65.2 - Malignant neoplasm of left renal pelvis
C65.9 - Malignant neoplasm of unspecified renal pelvis