Cancer staging systems

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Cancer staging systems are something pathologists ought to be familiar with.

Overview

TNM staging system

  • Most common.
  • Generally dependent on the specific site.

Table of modifiers:[1]

Modifier Meaning Example Notes
m multiple tumours pT(m)NM or pT2(2)N0Mx tumour stage = highest stage of all the individual tumours
c clinical stage cTNM if it is not specified clinical is assumed
a stage at autopsy aTNM
y staging after therapy ypTNM do not try to estimate pretreatment stage
r recurrent tumour stage rTNM must have a clinically documented disease freedom

See also

References