categorical value specification pathologic primary tumor stage for kidney according to AJCC 7th edition A categorical value specification that is a pathologic finding about one or more characteristics of renal cancer following the rules of the TNM AJCC v7 classification system as they pertain to staging of the primary tumor. TNM pathologic primary tumor findings are based on clinical findings supplemented by histopathologic examination of one or more tissue specimens acquired during surgery. pT: Pathologic spread kidney primary tumor (AJCC 7th Edition) pathologic primary tumor stage for kidney according to AJCC 7th edition NCI BBRB, OBI Chris Stoeckert, Helena Ellis NCI BBRB metadata complete