type 2 papillary rcc composed of papillae covered by a pseudo
renalpapillaemajorandminorcalycesrenalpelvisuretersureters
肾乳头renal papillae 10.肾大盏major renal calyices 11.
medulla renal cortex renal papillae foramina of papillae renal
medulla, pyramids with papillae, partially dissected renal