cancer staging - nina

Thank you! - Rainbo

:) - nina

pT4 pN2 MX G2 R1 is how we would type it - Another option

This is how we were instructed.  There could, of course, be client preferences which go by a different standard. 

If they are using the TNM Classifications – there must be a T, an N, and an M.  Re-listen to see if maybe the second “N” is actually an “M”

Your example:  PT4 PN2 NXG2 R1

We would type it:  pT4 pN2 MX G2 R1

Mandatory parameters ("T", "N", and "M")        

• T (a, CIS, (0),1–4): size or direct extent of the primary tumor

• N (0–3): degree of spread to regional lymph nodes
  
  
  
  • N0: tumor cells absent from regional lymph nodes
  
  
  • N1: regional lymph node metastasis present; (at some sites: tumor spread to closest or small number of regional lymph nodes)
  
  
  • N2: tumor spread to an extent between N1 and N3 (N2 is not used at all sites)
  
  
  • N3: tumor spread to more distant or numerous regional lymph nodes (N3 is not used at all sites)
  
  
  
  

• M (0/1): presence of metastasis
  
  
  
  • M0: no distant metastasis
  
  
  • M1: metastasis to distant organs (beyond regional lymph nodes)
  
  
  
  

Use of an "X" instead of a number or other suffix means that the parameter was not assessed.

Other parameters

• G (1–4): the grade of the cancer cells (i.e. they are "low grade" if they appear similar to normal cells, and "high grade" if they appear poorly differentiated)

• R (0/1/2): the completeness of the operation (resection-boundaries free of cancer cells or not)

• L (0/1): invasion into lymphatic vessels

• V (0/1/2): invasion into vein (no, microscopic, macroscopic)

• C (1–5): a modifier of the certainty (quality) of the last mentioned parameter

Prefix modifiers             

• c: stage given by clinical examination of a patient. The c-prefix is implicit in absence of the p-prefix

• p: stage given by pathologic examination of a surgical specimen

• y: stage assessed after neoadjuvant therapy

http://en.wikipedia.org/wiki/TNM_staging_system

Thank you again! - Rainbo

Thanks! - nina