Diffuse Strong BCOR Immunoreactivity Is a Sensitive and Specific Marker for Clear Cell Sarcoma of the Kidney (CCSK) in Pediatric Renal Neoplasia. (August 2018) - Argani, Pedram; Pawel, Bruce; Szabo, Sara; Reyes-Múgica, Miguel; Timmons, Charles; Antonescu, Cristina R.