Has the staging of Ca breast been asked before? Not the TNM classification but staging

Has the staging of Ca breast been asked before? Not the TNM classification but staging

Was asking cuz im finding it heard to memorize. Thanx for the up mate:)

Staging is important?

I just learnt the tnm!

Ugghh

There is a formula/mnemonic where you can calculate easily… but i can’t find it… i will post here wgen i get