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 | No pathologic examination of metastatic tissue performed. Evaluation based on physical examination, imaging examination, and/or other non-invasive clinical evidence. No autopsy evidence used. | c |
1 | No pathologic examination of metastatic tissue performed. Evaluation of distant metastasis based on endoscopic examination or other invasive technique, including surgical observation without biopsy. No autopsy evidence used. |
c |
2 | No pathologic examination of metastatic tissue done prior to death, but evidence derived from autopsy (tumor was suspected or diagnosed prior to autopsy). | p |
3 | Pathologic examination of metastatic tissue performed without pre-surgical systemic treatment or radiation OR pathologic examination of metastatic tissue performed, unknown if pre-surgical systemic treatment or radiation performed. | p |
5 | Pathologic examination of metastatic tissue performed with pre-surgical systemic treatment or radiation, but metastasis based on clinical evidence. | c |
6 | Pathologic examination of metastatic tissue performed with pre-surgical systemic treatment or radiation, and metastasis based on pathologic evidence. | y |
8 | Evidence from autopsy, and ; tumor was unsuspected or undiagnosed prior to autopsy. | a |
9 |
|
c |