Benign Renal Pelvis Neoplasm

**Semantic type:** Neoplastic Process

**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.

**Synonyms:** - Benign Kidney Pelvis Neoplasm - Benign Neoplasm of Renal Pelvis - Benign Neoplasm of the Renal Pelvis - Benign Renal Pelvis Tumor - Benign Tumor of Renal Pelvis - Benign Tumor of the Renal Pelvis