Type 1 Papillary Renal Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A papillary renal cell carcinoma characterized by the presence of papillae covered by small cells with scant amount of cytoplasm. The cells are arranged in a single layer on the basement membrane of the papillae.

**Synonyms:** - Type 1 Papillary Renal Cell Cancer