Malignant neoplasms of renal pelvis

**Definition:** Primary abnormal malignant growth of the cells within the renal pelvis.

**Inclusions:** - malignant neoplasm of pelviureteric junction - malignant neoplasm of renal calyces

**Exclusions:** - Malignant mesenchymal neoplasms - Secondary malignant neoplasm of renal pelvis - renal pelvis metastasis