On the use and abuse of X in the TNM classification.
Greene
Frederick L
FL
Department of Surgery, Carolinas Medical Center, Charlotte, North Carolina.
Brierley
James
J
O'Sullivan
Brian
B
Sobin
Leslie H
LH
Wittekind
Christian
C
D006801:Humans; D009362:Neoplasm Metastasis / Q000175:diagnosis; D009367:Neoplasm Staging / Q000592:standards / Q000706:statistics & numerical data; D009369:Neoplasms / Q000473:pathology; D017410:Practice Guidelines as Topic; D011237:Predictive Value of Tests; D011379:Prognosis; D012307:Risk Factors