Collaborative Stage Data Set - Revised 08/10/2009 FINAL

Breast

CS Mets Eval

Note: This item reflects the validity of the classification of the item CS Mets at DX only according to the diagnostic methods employed.

Code	Description	Staging Basis
0	Does not meet criteria for AJCC pathologic staging of distant metastasis: Evaluation of distant metastasis based on physical examination, imaging examination, and/or other non-invasive clinical evidence. No pathologic examination of metastatic tissue performed or pathologic examination was negative.	c
1	Does not meet criteria for AJCC pathologic staging of distant metastasis: Evaluation of distant metastasis based on endoscopic examination or other invasive technique, including surgical observation without biopsy. No pathologic examination of metastatic tissue performed or pathologic examination was negative.	c
2	Meets criteria for AJCC pathologic staging of distant metastasis: No pathologic examination of metastatic specimen done prior to death, but positive metastatic evidence derived from autopsy (tumor was suspected or diagnosed prior to autopsy).	p
3	Meets criteria for AJCC pathologic staging of distant metastasis: Specimen from metastatic site microscopically positive WITHOUT pre-surgical systemic treatment or radiation OR specimen from metastatic site microscopically positive, unknown if pre-surgical systemic treatment or radiation performed OR specimen from metastatic site microscopically positive prior to neoadjuvant treatment.	p
5	Does not meet criteria for AJCC y-pathologic (yp) staging of distant metastasis: Specimen from metastatic site microscopically positive WITH pre-surgical systemic treatment or radiation, BUT metastasis based on clinical evidence.	c
6	Meets criteria for AJCC y-pathologic (yp) staging of distant metastasis: Specimen from metastatic site microscopically positive WITH pre-surgical systemic treatment or radiation, BUT metastasis based on pathologic evidence.	yp
8	Meets criteria for AJCC autopsy (a) staging of distant metastasis: Evidence from autopsy based on examination of positive metastatic tissue AND tumor was unsuspected or undiagnosed prior to autopsy.	a
9	Not assessed; cannot be assessed Unknown if assessed Not documented in patient record	c

List of Schemas Breast Schema Index